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reilua-enhanced/API.md
jussi 6e4fdd3b3a Added initial files.
2022-02-18 18:27:10 +02:00

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# ReiLua API
## Usage
Application needs 'main.lua' file as entry point. ReiLua executable will first look it from same directory
or it's path can be given by argument. There are three global functions that the engine will call, 'init', 'process' and 'draw'.
---
> function init()
This function will be called first when 'main.lua' is found
---
> function process( delta )
This function will be called every frame during execution. It will get time duration from last frame on argument 'delta'
---
> function draw()
This function will be called every frame after process and it should have all rendering related functions.
Note: Engine will call Raylib functions 'BeginDrawing()' before this function call and 'EndDrawing()' after it
---
## Globals - Keys
KEY_ENTER
KEY_SPACE
KEY_ESCAPE
KEY_ENTER
KEY_TAB
KEY_BACKSPACE
KEY_INSERT
KEY_DELETE
KEY_RIGHT
KEY_LEFT
KEY_DOWN
KEY_UP
## Globals - WindowFlags
FLAG_VSYNC_HINT
FLAG_FULLSCREEN_MODE
FLAG_WINDOW_RESIZABLE
FLAG_WINDOW_UNDECORATED
FLAG_WINDOW_HIDDEN
FLAG_WINDOW_MINIMIZED
FLAG_WINDOW_MAXIMIZED
FLAG_WINDOW_UNFOCUSED
FLAG_WINDOW_TOPMOST
FLAG_WINDOW_ALWAYS_RUN
FLAG_WINDOW_TRANSPARENT
FLAG_WINDOW_HIGHDPI
FLAG_MSAA_4X_HINT
FLAG_INTERLACED_HINT
## Globals - BlendModes
BLEND_ALPHA
BLEND_ADDITIVE
BLEND_MULTIPLIED
BLEND_ADD_COLORS
BLEND_SUBTRACT_COLORS
BLEND_CUSTOM
## Globals - TextureModes
TEXTURE_SOURCE_TEXTURE
TEXTURE_SOURCE_RENDER_TEXTURE
## Globals - CameraProjections
CAMERA_PERSPECTIVE
CAMERA_ORTHOGRAPHIC
## Globals - CameraMode
CAMERA_CUSTOM
CAMERA_FREE
CAMERA_ORBITAL
CAMERA_FIRST_PERSON
CAMERA_THIRD_PERSON
## Globals - MapTypes
MATERIAL_MAP_ALBEDO
MATERIAL_MAP_METALNESS
MATERIAL_MAP_NORMAL
MATERIAL_MAP_ROUGHNESS
MATERIAL_MAP_OCCLUSION
MATERIAL_MAP_EMISSION
MATERIAL_MAP_HEIGHT
MATERIAL_MAP_CUBEMAP
MATERIAL_MAP_IRRADIANCE
MATERIAL_MAP_PREFILTER
MATERIAL_MAP_BRDF
## Globals - TextureFilters
TEXTURE_FILTER_POINT
TEXTURE_FILTER_BILINEAR
TEXTURE_FILTER_TRILINEAR
TEXTURE_FILTER_ANISOTROPIC_4X
TEXTURE_FILTER_ANISOTROPIC_8X
TEXTURE_FILTER_ANISOTROPIC_16X
## Globals - TextureWrapModes
TEXTURE_WRAP_REPEAT
TEXTURE_WRAP_CLAMP
TEXTURE_WRAP_MIRROR_REPEAT
TEXTURE_WRAP_MIRROR_CLAMP
## Globals - TraceLogLevel
LOG_ALL
LOG_TRACE
LOG_DEBUG
LOG_INFO
LOG_WARNING
LOG_ERROR
LOG_FATAL
LOG_NONE
## Globals - N-patchLayout
NPATCH_NINE_PATCH
NPATCH_THREE_PATCH_VERTICAL
NPATCH_THREE_PATCH_HORIZONTAL
## Globals - Shader
SHADER_LOC_VERTEX_POSITION
SHADER_LOC_VERTEX_TEXCOORD01
SHADER_LOC_VERTEX_TEXCOORD02
SHADER_LOC_VERTEX_NORMAL
SHADER_LOC_VERTEX_TANGENT
SHADER_LOC_VERTEX_COLOR
SHADER_LOC_MATRIX_MVP
SHADER_LOC_MATRIX_VIEW
SHADER_LOC_MATRIX_PROJECTION
SHADER_LOC_MATRIX_MODEL
SHADER_LOC_MATRIX_NORMAL
SHADER_LOC_VECTOR_VIEW
SHADER_LOC_COLOR_DIFFUSE
SHADER_LOC_COLOR_SPECULAR
SHADER_LOC_COLOR_AMBIENT
SHADER_LOC_MAP_ALBEDO
SHADER_LOC_MAP_METALNESS
SHADER_LOC_MAP_NORMAL
SHADER_LOC_MAP_ROUGHNESS
SHADER_LOC_MAP_OCCLUSION
SHADER_LOC_MAP_EMISSION
SHADER_LOC_MAP_HEIGHT
SHADER_LOC_MAP_CUBEMAP
SHADER_LOC_MAP_IRRADIANCE
SHADER_LOC_MAP_PREFILTER
SHADER_LOC_MAP_BRDF
## Globals - Shader
SHADER_UNIFORM_FLOAT
SHADER_UNIFORM_VEC2
SHADER_UNIFORM_VEC3
SHADER_UNIFORM_VEC4
SHADER_UNIFORM_INT
SHADER_UNIFORM_IVEC2
SHADER_UNIFORM_IVEC3
SHADER_UNIFORM_IVEC4
SHADER_UNIFORM_SAMPLER2D
## Globals - Shader
SHADER_ATTRIB_FLOAT
SHADER_ATTRIB_VEC2
SHADER_ATTRIB_VEC3
SHADER_ATTRIB_VEC4
## Globals - Colors
WHITE
BLACK
BLANK
MAGENTA
RAYWHITE
RED
GREEN
BLUE
## Globals - Math
PI
## Types
Raylib structs in Lua
---
> Vector2 = { 1.0, 1.0 }
Vector2 type
---
> Vector3 = { 1.0, 1.0, 1.0 }
Vector3 type
---
> Vector4 = { 1.0, 1.0, 1.0, 1.0 }
Vector4 type
---
> Quaternion = { 1.0, 1.0, 1.0, 1.0 }
Quaternion type
---
> Matrix = { { 1.0, 0.0, 0.0, 0.0 }, { 0.0, 1.0, 0.0, 0.0 }, { 0.0, 0.0, 1.0, 0.0 }, { 0.0, 0.0, 0.0, 1.0 } }
OpenGL style 4x4. Identity matrix example
---
> Color = { 255, 255, 255, 255 }
{ r, g, b ,a }. Color type, RGBA (32bit)
---
> Rectangle = { 0.0, 0.0, 1.0, 1.0 }
{ x, y, w ,h }. Rectangle type
---
> Image = ImageId
int id. Image type (multiple pixel formats supported). NOTE: Data stored in CPU memory (RAM)
---
> Texture = TextureId
int id. Texture type (multiple internal formats supported). NOTE: Data stored in GPU memory (VRAM)
---
> RenderTexture = RenderTextureId
int id. RenderTexture type, for texture rendering
---
> Font = FontId
int id. Font type, includes texture and chars data
---
> Camera = CameraId
int id. Defines 3d camera position/orientation
---
> Mesh = MeshId
int id. Vertex data defining a mesh
---
> Material = MaterialId
int id. Material type
```
table = {
shader = Shader,
maps = {
{
MATERIAL_MAP_ALBEDO,
{
texture = Texture,
color = WHITE,
value = 1.0,
},
},
...
},
params = { 1.0, 2.0, 3.0, 4.0 },
}
```
---
> Model = ModelId
int id. Basic 3d Model type
---
> Ray = { { 0.0, 0.0, 0.0 }, { 1.0, 0.0, 0.0 } }
{ position, direction }. Ray type (useful for raycast)
---
> RayCollision = { hit = true, distance = 1.0, point = { 0.0, 0.0 }, normal = { 0.0, 0.0, 1.0 } }
Raycast hit information. NOTE: Data in named keys
---
> BoundingBox = { { 0.0, 0.0, 0.0 }, { 1.0, 1.0, 1.0 } }
{ min, max }. Bounding box type for 3d mesh
---
> Sound = SoundId
int id. Basic Sound source and buffer
---
> NPatchInfo = { { 0, 0, 24, 24 }, 0, 0, 0, 0, NPATCH_NINE_PATCH }
{ Rectangle source, int left, int top, int right, int bottom, int layout }.
{ Texture source rectangle, Left border offset, Top border offset, Right border offset, Bottom border offset, Layout of the n-patch: 3x3, 1x3 or 3x1 }
---
> ModelAnimations = ModelAnimationsId
int id. ModelAnimations
---
## Core - Window
---
> success = RL_SetWindowMonitor( int monitor )
Set monitor for the current window (fullscreen mode)
- Failure return false
- Success return true
---
> success = RL_SetWindowPosition( Vector2 pos )
Set window position on screen
- Failure return false
- Success return true
---
> success = RL_SetWindowSize( Vector2 size )
Set window dimensions
- Failure return false
- Success return true
---
> position = RL_GetMonitorPosition( int monitor )
Get specified monitor position
- Failure return nil
- Success return Vector2
---
> size = RL_GetMonitorSize( int monitor )
Get specified monitor size
- Failure return nil
- Success return Vector2
---
> position = RL_GetWindowPosition()
Get window position on monitor
- Success return Vector2
---
> size = RL_GetWindowPosition()
Get window size
- Success return Vector2
---
> success = RL_SetWindowState( int flag )
Set window configuration state using flags ( FLAG_FULLSCREEN_MODE, FLAG_WINDOW_RESIZABLE... )
- Failure return false
- Success return true
---
> state = RL_IsWindowState( int flag ) )
Check if one specific window flag is enabled ( FLAG_FULLSCREEN_MODE, FLAG_WINDOW_RESIZABLE... )
- Failure return nil
- Success return bool
---
> resized = RL_ClearWindowState( int flag )
Clear window configuration state flags ( FLAG_FULLSCREEN_MODE, FLAG_WINDOW_RESIZABLE... )
- Success return bool
---
> resized = RL_IsWindowResized()
Check if window has been resized from last frame
- Success return bool
---
> success = RL_SetWindowIcon( Image image )
Set icon for window ( Only PLATFORM_DESKTOP )
- Failure return false
- Success return true
---
> success = RL_SetWindowTitle( string title )
Set title for window ( Only PLATFORM_DESKTOP )
- Failure return false
- Success return true
---
## Core - Timing
---
> success = RL_SetTargetFPS( int fps )
Set target FPS ( maximum )
- Failure return false
- Success return true
---
> RL_GetFrameTime()
Get time in seconds for last frame drawn ( Delta time )
---
> RL_GetTime()
Get elapsed time in seconds since InitWindow()
---
## Core - Misc
---
> success = RL_TraceLog( int logLevel, string text )
Show trace log messages ( LOG_DEBUG, LOG_INFO, LOG_WARNING, LOG_ERROR... )
- Failure return false
- Success return true
---
> success = RL_OpenURL( string url )
Open URL with default system browser ( If available )
- Failure return false
- Success return true
---
## Core - Cursor
---
> RL_ShowCursor()
Shows cursor
---
> RL_HideCursor()
Hides cursor
---
> hidden = RL_IsCursorHidden()
Check if cursor is not visible
- Success return bool
---
> RL_EnableCursor()
Enables cursor (unlock cursor)
---
> RL_DisableCursor()
Disables cursor (lock cursor)
---
> onSreen = RL_IsCursorOnScreen()
Check if cursor is on the screen
- Success return bool
---
## Core - Drawing
---
> success = RL_ClearBackground( Color color )
Set background color ( framebuffer clear color )
- Failure return false
- Success return true
---
> success = RL_BeginBlendMode( int mode )
Begin blending mode ( BLEND_ALPHA, BLEND_ADDITIVE, BLEND_MULTIPLIED... )
- Failure return false
- Success return true
---
> RL_EndBlendMode()
End blending mode ( reset to default: BLEND_ALPHA )
---
> success = RL_BeginScissorMode( Rectangle rectange )
Begin scissor mode ( define screen area for following drawing )
- Failure return false
- Success return true
---
> RL_EndScissorMode()
End scissor mode
---
## Core - Shader
---
> shader = RL_LoadShader( string vsFileName, string fsFileName )
Load shader from files and bind default locations
- Failure return -1
- Success return int
---
> shader = RL_LoadShaderFromMemory( string vsCode, string fsCode )
Load shader from code strings and bind default locations
- Failure return -1
- Success return int
---
> success = RL_BeginShaderMode( Shader shader )
Begin custom shader drawing
- Failure return false
- Success return true
---
> EndShaderMode()
End custom shader drawing ( use default shader )
---
> location = RL_GetShaderLocation( Shader shader, string uniformName )
Get shader uniform location
- Failure return -1
- Success return int
---
> location = RL_GetShaderLocationAttrib( Shader shader, string attribName )
Get shader attribute location
- Failure return -1
- Success return int
---
> success = RL_SetShaderValueMatrix( Shader shader, int locIndex, Matrix mat )
Set shader uniform value ( matrix 4x4 )
- Failure return false
- Success return true
---
> success = RL_SetShaderValueTexture( Shader shader, int locIndex, Texture2D texture )
Set shader uniform value for texture ( sampler2d )
- Failure return false
- Success return true
---
> success = RL_SetShaderValue( Shader shader, int locIndex, number{} values, int uniformType )
Set shader uniform value
NOTE: Even one value should be in table
- Failure return false
- Success return true
---
> success = RL_SetShaderValueV( Shader shader, int locIndex, number{} values, int uniformType, int count )
Set shader uniform value vector
NOTE: Even one value should be in table
- Failure return false
- Success return true
---
> success = RL_UnloadShader( Shader shader )
Unload shader from GPU memory ( VRAM )
- Failure return false
- Success return true
---
## Core - Input
---
> pressed = RL_IsKeyPressed( int key )
Detect if a key has been pressed once
- Failure return nil
- Success return bool
---
> pressed = RL_IsKeyDown( int key )
Detect if a key is being pressed
- Failure return nil
- Success return bool
---
> released = RL_IsKeyReleased( int key )
Detect if a key has been released once
- Failure return nil
- Success return bool
---
> keycode = RL_GetKeyPressed()
Get key pressed (keycode), call it multiple times for keys queued, returns 0 when the queue is empty
- Success return int
---
> unicode = RL_GetCharPressed()
Get char pressed (unicode), call it multiple times for chars queued, returns 0 when the queue is empty
- Success return int
---
> RL_SetExitKey( int key )
Set a custom key to exit program ( default is ESC )
---
> available = RL_IsGamepadAvailable( int gamepad )
Detect if a gamepad is available
- Failure return nil
- Success return bool
---
> pressed = RL_IsGamepadButtonPressed( int gamepad, int button )
Detect if a gamepad button has been pressed once
- Failure return nil
- Success return bool
---
> pressed = RL_IsGamepadButtonDown( int gamepad, int button )
Detect if a gamepad button is being pressed
- Failure return nil
- Success return bool
---
> released = RL_IsGamepadButtonReleased( int gamepad, int button )
Detect if a gamepad button has been released once
- Failure return nil
- Success return bool
---
> count = RL_GetGamepadAxisCount( int gamepad )
Return gamepad axis count for a gamepad
- Failure return false
- Success return int
---
> value = RL_GetGamepadAxisMovement( int gamepad, int axis )
Return axis movement value for a gamepad axis
- Failure return false
- Success return float
---
> name = RL_GetGamepadName( int gamepad )
Return gamepad internal name id
- Failure return false
- Success return string
---
> pressed = RL_IsMouseButtonPressed( int button )
Detect if a mouse button has been pressed once
- Failure return nil
- Success return bool
---
> pressed = RL_IsMouseButtonDown( int button )
Detect if a mouse button is being pressed
- Failure return nil
- Success return bool
---
> released = RL_IsMouseButtonReleased( int button )
Detect if a mouse button has been released once
- Failure return nil
- Success return bool
---
> position = RL_GetMousePosition()
Returns mouse position
- Success return Vector2
---
> position = RL_GetMouseDelta()
Get mouse delta between frames
- Success return Vector2
---
> movement = RL_GetMouseWheelMove()
Returns mouse wheel movement Y
- Success return float
---
> success = RL_SetMousePosition( Vector2 position )
Set mouse position XY
- Failure return false
- Success return true
---
## Core - File
---
> path = RL_GetBasePath()
Return game directory ( where main.lua is located )
- Success return string
---
> fileExists = RL_FileExists( string fileName )
Check if file exists
- Failure return nil
- Success return bool
---
> dirExists = RL_DirectoryExists( string dirPath )
Check if a directory path exists
- Failure return nil
- Success return bool
---
> hasFileExtension = RL_IsFileExtension( string fileName, string ext )
Check file extension ( Including point: .png, .wav )
- Failure return nil
- Success return bool
---
> extension = RL_GetFileExtension( string fileName )
Get pointer to extension for a filename string ( Includes dot: '.png' )
- Failure return false
- Success return string
---
> filePath = RL_GetFileName( string filePath )
Get pointer to filename for a path string
- Failure return false
- Success return string
---
> filePath = RL_GetFileNameWithoutExt( string filePath )
Get filename string without extension ( Uses static string )
- Failure return false
- Success return string
---
> filePath = RL_GetDirectoryPath( string filePath )
Get full path for a given fileName with path ( Uses static string )
- Failure return false
- Success return string
---
> filePath = RL_GetPrevDirectoryPath( string dirPath )
Get previous directory path for a given path ( Uses static string )
- Failure return false
- Success return string
---
> filePath = RL_GetWorkingDirectory()
Get current working directory ( Uses static string )
- Failure return false
- Success return string
---
> fileNames = RL_GetDirectoryFiles( string dirPath )
Get filenames in a directory path
- Failure return false
- Success return string{}
---
> time = RL_GetFileModTime( string fileName )
Get file modification time ( Last write time )
- Failure return false
- Success return int
---
## Core - Camera
---
> camera = RL_CreateCamera3D()
Return camera3D id set to default configuration
- Success return int
---
> success = RL_UnloadCamera3D( int Camera3D )
Unload Camera3D
- Failure return false
- Success return true
---
> success = RL_BeginMode3D( camera3D camera )
Initializes 3D mode with custom camera ( 3D )
- Failure return false
- Success return true
---
> RL_EndMode3D()
Ends 3D mode and returns to default 2D orthographic mode
---
> success = RL_SetCamera3DPosition( camera3D camera, Vector3 position )
Set camera position ( Remember to call "RL_UpdateCamera3D()" to apply changes )
- Failure return false
- Success return true
---
> success = RL_SetCamera3DTarget( camera3D camera, Vector3 target )
Set camera target it looks-at
- Failure return false
- Success return true
---
> success = RL_SetCamera3DUp( camera3D camera, Vector3 up )
Set camera up vector ( Rotation over it's axis )
- Failure return false
- Success return true
---
> success = RL_SetCamera3DFovy( camera3D camera, Vector3 fovy )
Set camera field-of-view apperture in Y ( degrees ) in perspective, used as near plane width in orthographic
- Failure return false
- Success return true
---
> success = RL_SetCamera3DProjection( camera3D camera, int projection )
Set camera projection mode ( CAMERA_PERSPECTIVE or CAMERA_ORTHOGRAPHIC )
- Failure return false
- Success return true
---
> success = RL_SetCamera3DMode( camera3D camera, int mode )
Set camera mode ( CAMERA_CUSTOM, CAMERA_FREE, CAMERA_ORBITAL... )
- Failure return false
- Success return true
---
> position = RL_GetCamera3DPosition( camera3D camera )
Get camera position
- Failure return nil
- Success return Vector3
---
> target = RL_GetCamera3DTarget( camera3D camera )
Get camera target it looks-at
- Failure return nil
- Success return Vector3
---
> up = RL_GetCamera3DUp( camera3D camera )
Get camera up vector ( Rotation over it's axis )
- Failure return nil
- Success return Vector3
---
> fovy = RL_GetCamera3DFovy( camera3D camera )
Get camera field-of-view apperture in Y ( degrees ) in perspective, used as near plane width in orthographic
- Failure return nil
- Success return float
---
> projection = RL_GetCamera3DProjection( camera3D camera )
Get camera projection mode
- Failure return nil
- Success return int
---
> success = RL_UpdateCamera3D( camera3D camera )
Update camera position for selected mode
- Failure return false
- Success return true
---
## Shapes - Drawing
---
> success = RL_DrawPixel( Vector2 pos, Color color )
Draw a pixel
- Failure return false
- Success return true
---
> success = RL_DrawLine( Vector2 startPos, Vector2 endPos, float thickness, Color color )
Draw a line defining thickness
- Failure return false
- Success return true
---
> success = RL_DrawCircle( Vector2 center, float radius, Color color )
Draw a color-filled circle
- Failure return false
- Success return true
---
> success = RL_DrawCircleLines( Vector2 center, float radius, Color color )
Draw circle outline
- Failure return false
- Success return true
---
> success = RL_DrawRectangle( Rectangle rec, Color color )
Draw a color-filled rectangle
- Failure return false
- Success return true
---
> success = RL_DrawRectanglePro( Rectangle rec, Vector2 origin, float rotation, Color color )
Draw a color-filled rectangle with pro parameters
- Failure return false
- Success return true
---
> success = RL_DrawTriangle( Vector2 v1, Vector2 v2, Vector2 v3, Color color )
Draw a color-filled triangle ( Vertex in counter-clockwise order! )
- Failure return false
- Success return true
---
> success = RL_DrawTriangleLines( Vector2 v1, Vector2 v2, Vector2 v3, Color color )
Draw triangle outline ( Vertex in counter-clockwise order! )
- Failure return false
- Success return true
---
## Shapes - Collision
---
> collision = RL_CheckCollisionRecs( Rectangle rec1, Rectangle rec2 )
Check collision between two rectangles
- Failure return nil
- Success return bool
---
> collision = RL_CheckCollisionCircles( Vector2 center1, float radius1, Vector2 center2, float radius2 )
Check collision between two circles
- Failure return nil
- Success return bool
---
> collision = RL_CheckCollisionCircleRec( Vector2 center, float radius, Rectangle rec )
Check collision between circle and rectangle
- Failure return nil
- Success return bool
---
> collision = RL_CheckCollisionPointRec( Vector2 point, Rectangle rec )
Check if point is inside rectangle
- Failure return nil
- Success return bool
---
> collision = RL_CheckCollisionPointCircle( Vector2 point, Vector2 center, float radius )
Check if point is inside circle
- Failure return nil
- Success return bool
---
> collision = RL_CheckCollisionPointTriangle( Vector2 point, Vector2 p1, Vector2 p2, Vector2 p3 )
Check if point is inside a triangle
- Failure return nil
- Success return bool
---
> collision, position = RL_CheckCollisionLines( Vector2 startPos1, Vector2 endPos1, Vector2 startPos2, Vector2 endPos2 )
Check the collision between two lines defined by two points each, returns collision point by reference
- Failure return nil
- Success return bool, Vector2
---
> collision = RL_CheckCollisionPointLine( Vector2 point, Vector2 p1, Vector2 p2, int threshold )
Check if point belongs to line created between two points [p1] and [p2] with defined margin in pixels [threshold]
- Failure return nil
- Success return bool
---
> rectangle = RL_GetCollisionRec( Rectangle rec1, Rectangle rec2 )
Get collision rectangle for two rectangles collision
- Failure return nil
- Success return Rectangle
---
## Textures - Load
---
> image = RL_LoadImage( string fileName )
Load image from file into CPU memory ( RAM )
- Failure return -1
- Success return int
---
> image = RL_GenImageColor( int width, int height, Color color )
Generate image: plain color
- Failure return -1
- Success return int
---
> success = RL_UnloadImage( Image image )
Unload image from CPU memory ( RAM )
- Failure return false
- Success return true
---
> texture = RL_LoadTexture( string fileName )
Load texture from file into GPU memory ( VRAM )
- Failure return -1
- Success return int
---
> texture = RL_LoadTextureFromImage( Image image )
Load texture from image data
- Failure return -1
- Success return int
---
> success = RL_UnloadTexture( Texture2D texture )
Unload texture from GPU memory ( VRAM )
- Failure return false
- Success return true
---
> renderTexture = RL_LoadRenderTexture( Vector2 size )
Load texture for rendering ( framebuffer )
- Failure return -1
- Success return int
---
> success = RL_UnloadRenderTexture( RenderTexture2D target )
Unload render texture from GPU memory ( VRAM )
- Failure return false
- Success return true
---
## Textures - Image Drawing
---
> success = RL_ImageClearBackground( Image dst, Color color )
Clear image background with given color
- Failure return false
- Success return true
---
> success = RL_ImageDrawPixel( Image dst, Vector2 position, Color color )
Draw pixel within an image
- Failure return false
- Success return true
---
> success = RL_ImageDrawLine( Image dst, Vector2 start, Vector2 end, Color color )
Draw line within an image
- Failure return false
- Success return true
---
> success = RL_ImageDrawCircle( Image dst, Vector2 center, int radius, Color color )
Draw circle within an image
- Failure return false
- Success return true
---
> success = RL_ImageDrawRectangle( Image dst, Rectangle rec, Color color )
Draw rectangle within an image
- Failure return false
- Success return true
---
> success = RL_DrawRectangleLines( Image dst, Rectangle rec, int thick, Color color )
Draw rectangle lines within an image
- Failure return false
- Success return true
---
> success = RL_ImageDraw( Image dst, Image src, Rectangle srcRec, Rectangle dstRec, Color tint )
Draw a source image within a destination image ( Tint applied to source )
- Failure return false
- Success return true
---
> success = RL_ImageDrawTextEx( Image dst, Font font, string text, Vector2 position, float fontSize, float spacing, Color tint )
Draw text ( Custom sprite font ) within an image ( Destination )
- Failure return false
- Success return true
---
## Textures - Texture Drawing
---
> success = RL_DrawTexture( Texture2D texture, Vector2 position, Color tint )
Draw a Texture2D
- Failure return false
- Success return true
---
> success = RL_DrawTextureRec( Texture2D texture, Rectangle source, Vector2 position, Color tint )
Draw a part of a texture defined by a rectangle
- Failure return false
- Success return true
---
> success = RL_DrawTextureTiled( Texture2D texture, Rectangle source, Rectangle dest, Vector2 origin, float rotation, float scale, Color tint )
Draw part of a texture ( defined by a rectangle ) with rotation and scale tiled into dest
- Failure return false
- Success return true
---
> success = RL_DrawTexturePro( Texture2D texture, Rectangle source, Rectangle dest, Vector2 origin, float rotation, Color tint )
Draw a part of a texture defined by a rectangle with "pro" parameters
- Failure return false
- Success return true
---
> success = RL_DrawTextureNPatch( Texture2D texture, NPatchInfo nPatchInfo, Rectangle dest, Vector2 origin, float rotation, Color tint )
Draws a texture ( or part of it ) that stretches or shrinks nicely
- Failure return false
- Success return true
---
> success = RL_DrawTexturePoly( Texture2D texture, Vector2 center, Vector2{} points, Vector2{} texcoords, int pointsCount, Color tint )
Draw a textured polygon ( Convex )
- Failure return false
- Success return true
---
> success = RL_BeginTextureMode( RenderTexture2D target )
Begin drawing to render texture
- Failure return false
- Success return true
---
> RL_EndTextureMode()
Ends drawing to render texture
---
> success = RL_SetTextureSource( int textureSource )
Set what texture source to use ( TEXTURE_SOURCE_TEXTURE or TEXTURE_SOURCE_RENDER_TEXTURE )
- Failure return false
- Success return true
---
> textureSource = RL_GetTextureSource()
Get current texture source type ( TEXTURE_SOURCE_TEXTURE or TEXTURE_SOURCE_RENDER_TEXTURE )
- Success return int
---
## Textures - Configure
---
> success = RL_GenTextureMipmaps( Texture2D texture )
Generate GPU mipmaps for a texture
- Failure return false
- Success return true
---
> success = RL_SetTextureFilter( Texture2D texture, int filter )
Set texture scaling filter mode ( TEXTURE_FILTER_POINT, TEXTURE_FILTER_BILINEAR... )
- Failure return false
- Success return true
---
> success = RL_SetTextureWrap( Texture2D texture, int wrap )
Set texture wrapping mode ( TEXTURE_WRAP_REPEAT, TEXTURE_WRAP_CLAMP... )
- Failure return false
- Success return true
---
> size = RL_GetTextureSize( Texture2D texture )
Get texture size
- Failure return nil
- Success return Vector2
---
## Text - Loading
---
> font = RL_LoadFont( string fileName )
Load font from file into GPU memory ( VRAM )
- Failure return -1
- Success return int
---
## Text - Draw
---
> success = RL_DrawText( Font font, string text, Vector2 position, float fontSize, float spacing, Color tint )
Draw text using font and additional parameters
- Failure return false
- Success return true
---
## Models - Basic
---
> success = RL_DrawLine3D( Vector3 startPos, Vector3 endPos, Color color )
Draw a line in 3D world space
- Failure return false
- Success return true
---
> success = RL_DrawPoint3D( Vector3 position, Color color )
Draw a point in 3D space, actually a small line
- Failure return false
- Success return true
---
> success = RL_DrawCircle3D( Vector3 center, float radius, Vector3 rotationAxis, float rotationAngle, Color color )
Draw a circle in 3D world space
- Failure return false
- Success return true
---
> success = RL_DrawTriangle3D( Vector3 v1, Vector3 v2, Vector3 v3, Color color )
Draw a color-filled triangle ( Vertex in counter-clockwise order! )
- Failure return false
- Success return true
---
> success = RL_DrawCube( Vector3 position, Vector3 size, Color color )
Draw cube
- Failure return false
- Success return true
---
> success = RL_DrawCubeWires( Vector3 position, Vector3 size, Color color )
Draw cube wires
- Failure return false
- Success return true
---
> success = RL_DrawCubeTexture( Texture2D texture, Vector3 position, Vector3 size, Color color )
Draw cube textured
- Failure return false
- Success return true
---
> success = RL_DrawSphere( Vector3 centerPos, float radius, Color color )
Draw sphere
- Failure return false
- Success return true
---
> success = RL_DrawSphereEx( Vector3 centerPos, float radius, int rings, int slices, Color color )
Draw sphere with extended parameters
- Failure return false
- Success return true
---
> success = RL_DrawSphereWires( Vector3 centerPos, float radius, int rings, int slices, Color color )
Draw sphere wires
- Failure return false
- Success return true
---
> success = RL_DrawCylinder( Vector3 position, float radiusTop, float radiusBottom, float height, int slices, Color color )
Draw a cylinder/cone
- Failure return false
- Success return true
---
> success = RL_DrawCylinderEx( Vector3 startPos, Vector3 endPos, float startRadius, float endRadius, int sides, Color color )
Draw a cylinder with base at startPos and top at endPos
- Failure return false
- Success return true
---
> success = RL_DrawCylinderWires( Vector3 position, float radiusTop, float radiusBottom, float height, int slices, Color color )
Draw a cylinder/cone wires
- Failure return false
- Success return true
---
> success = RL_DrawCylinderWiresEx( Vector3 startPos, Vector3 endPos, float startRadius, float endRadius, int sides, Color color )
Draw a cylinder wires with base at startPos and top at endPos
- Failure return false
- Success return true
---
> success = RL_DrawPlane( Vector3 centerPos, Vector2 size, Color color )
Draw a plane XZ
- Failure return false
- Success return true
---
> success = RL_DrawQuad3DTexture( texture, Vector3{} vertices, Vector2{} texCoords, Color color )
Draw 3D quad texture using vertices and texture coordinates. Texture coordinates opengl style 0.0 - 1.0.
Note! Could be replaced something like "DrawPlaneTextureRec"
- Failure return false
- Success return true
---
> success = RL_DrawRay( Ray ray, Color color )
Draw a ray line
- Failure return false
- Success return true
---
> success = RL_DrawGrid( int slices, float spacing )
Draw a grid ( Centered at ( 0, 0, 0 ) )
- Failure return false
- Success return true
---
## Models - Mesh
---
> mesh = RL_GenMeshPoly( int sides, float radius )
Generate polygonal mesh
- Failure return -1
- Success return int
---
> mesh = RL_GenMeshPlane( float width, float length, int resX, int resZ )
Generate plane mesh ( With subdivisions )
- Failure return -1
- Success return int
---
> mesh = RL_GenMeshCube( Vector3 size )
Generate cuboid mesh
- Failure return -1
- Success return int
---
> mesh = RL_GenMeshSphere( float radius, int rings, int slices )
Generate sphere mesh ( Standard sphere )
- Failure return -1
- Success return int
---
> mesh = RL_GenMeshCylinder( float radius, float height, int slices )
Generate cylinder mesh
- Failure return -1
- Success return int
---
> mesh = RL_GenMeshCone( float radius, float height, int slices )
Generate cone/pyramid mesh
- Failure return -1
- Success return int
---
> mesh = RL_GenMeshTorus( float radius, float size, int radSeg, int sides )
Generate torus mesh
- Failure return -1
- Success return int
---
> mesh = RL_GenMeshKnot( float radius, float size, int radSeg, int sides )
Generate torus mesh
- Failure return -1
- Success return int
---
> mesh = RL_GenMeshHeightmap( Image heightmap, Vector3 size )
Generate heightmap mesh from image data
- Failure return -1
- Success return int
---
> mesh = RL_GenMeshCustom( Vector3{} vertices, Vector2{} texCoords, Vector3{} normals )
Generate custom mesh
- Failure return -1
- Success return int
---
> success = RL_UnloadMesh( Mesh mesh )
Unload mesh data from CPU and GPU
- Failure return false
- Success return true
---
> success = RL_DrawMesh( Mesh mesh, Material material, Matrix transform )
Draw a 3d mesh with material and transform
- Failure return false
- Success return true
---
> success = RL_DrawMeshInstanced( Mesh mesh, Material material, Matrix{} transforms, int instances )
Draw multiple mesh instances with material and different transforms
- Failure return false
- Success return true
---
> success = RL_SetMeshColor( Mesh mesh, Color color )
Updades mesh color vertex attribute buffer
NOTE: Currently only works on custom mesh
- Failure return false
- Success return true
---
## Models - Material
---
> material = RL_LoadMaterialDefault()
Load default material
- Success return int
---
> material = RL_CreateMaterial( material{} )
Load material from table. See material table definition
- Failure return false
- Success return int
---
> success = RL_UnloadMaterial( Material material )
Unload material from GPU memory ( VRAM )
- Failure return false
- Success return true
---
> success = RL_SetMaterialTexture( Material material, int mapType, Texture2D texture )
Set texture for a material map type ( MATERIAL_MAP_ALBEDO, MATERIAL_MAP_METALNESS... )
- Failure return false
- Success return true
---
> success = RL_SetMaterialColor( Material material, int mapType, Color color )
Set color for a material map type
- Failure return false
- Success return true
---
> success = RL_SetMaterialValue( Material material, int mapType, float value )
Set value for a material map type
- Failure return false
- Success return true
---
## Models - Model
---
> model = RL_LoadModel( string fileName )
Load model from files ( Meshes and materials )
- Failure return -1
- Success return int
---
> model = RL_LoadModelFromMesh( Mesh mesh )
Load model from generated mesh ( Default material )
- Failure return -1
- Success return int
---
> success = RL_UnloadModel( Model model )
Unload model ( Including meshes ) from memory ( RAM and/or VRAM )
- Failure return false
- Success return true
---
> success = RL_DrawModel( Model model, Vector3 position, float scale, Color tint )
Draw a model ( With texture if set )
- Failure return false
- Success return true
---
> success = RL_DrawModelEx( Model model, Vector3 position, Vector3 rotationAxis, float rotationAngle, Vector3 scale, Color tint )
Draw a model with extended parameters
- Failure return false
- Success return true
---
> success = RL_SetModelMaterial( Model model, Material modelMaterial, Material material )
Copies material to model material. ( Model material is the material id in models. Material can be deleted if not used elsewhere )
- Failure return false
- Success return true
---
> success = RL_SetModelMaterial( Model model, Material modelMaterial, Material material )
Set material for a mesh ( Mesh and material on this model )
- Failure return false
- Success return true
---
> success = RL_DrawBillboard( Camera camera, Texture2D texture, Vector3 position, float size, Color tint )
Draw a billboard texture
- Failure return false
- Success return true
---
> success = RL_DrawBillboardRec( Camera camera, Texture2D texture, Rectangle source, Vector3 position, Vector2 size, Color tint )
Draw a billboard texture defined by source
- Failure return false
- Success return true
---
## Model - Animations
---
> animations, animationCount = RL_LoadModelAnimations( string fileName )
Load model animations from file
- Failure return -1
- Success return int, int
---
> success = RL_UpdateModelAnimation( Model model, ModelAnimations animations, int animation, int frame )
Update model animation pose
- Failure return false
- Success return true
---
> boneCount = RL_GetModelAnimationBoneCount( ModelAnimations animations, int animation )
Return modelAnimation bone count
- Failure return false
- Success return int
---
> frameCount = RL_GetModelAnimationFrameCount( ModelAnimations animations, int animation )
Return modelAnimation frame count
- Failure return false
- Success return int
---
## Model - Collision
---
> collision = RL_CheckCollisionSpheres( Vector3 center1, float radius1, Vector3 center2, float radius2 )
Check collision between two spheres
- Failure return nil
- Success return bool
---
> collision = RL_CheckCollisionBoxes( BoundingBox box1, BoundingBox box2 )
Check collision between two bounding boxes
- Failure return nil
- Success return bool
---
> collision = RL_CheckCollisionBoxSphere( BoundingBox box, Vector3 center, float radius )
Check collision between box and sphere
- Failure return nil
- Success return bool
---
> rayCollision = RL_GetRayCollisionSphere( Ray ray, Vector3 center, float radius )
Get collision info between ray and sphere. ( RayCollision is Lua table of { hit, distance, point, normal } )
- Failure return nil
- Success return RayCollision
---
> rayCollision = RL_GetRayCollisionBox( Ray ray, BoundingBox box )
Get collision info between ray and box
- Failure return nil
- Success return RayCollision
---
> rayCollision = RL_GetRayCollisionModel( Ray ray, Model model )
Get collision info between ray and model
- Failure return nil
- Success return RayCollision
---
> rayCollision = RL_GetRayCollisionMesh( Ray ray, Mesh mesh, Matrix transform )
Get collision info between ray and mesh
- Failure return nil
- Success return RayCollision
---
> rayCollision = RL_GetRayCollisionTriangle( Ray ray, Vector3 p1, Vector3 p2, Vector3 p3 )
Get collision info between ray and triangle
- Failure return nil
- Success return RayCollision
---
> rayCollision = RL_GetRayCollisionQuad( Ray ray, Vector3 p1, Vector3 p2, Vector3 p3, Vector3 p4 )
Get collision info between ray and quad
- Failure return nil
- Success return RayCollision
---
## Audio - Sounds
---
> sound = RL_LoadSound( string fileName )
Load sound from file
- Failure return -1
- Success return int
---
> success = RL_PlaySoundMulti( Sound sound )
Play a sound ( Using multichannel buffer pool )
- Failure return false
- Success return true
---
> success = RL_SetSoundVolume( Sound sound, float volume )
Set volume for a sound ( 1.0 is max level )
- Failure return false
- Success return true
---
> success = RL_SetSoundPitch( Sound sound, float pitch )
Set pitch for a sound ( 1.0 is base level )
- Failure return false
- Success return true
---
> success = RL_UnloadSound( Sound sound )
Unload sound
- Failure return false
- Success return true
---
## Audio - Music
---
> success = RL_LoadMusicStream( string fileName )
Load music stream from file
- Failure return false
- Success return true
---
> PlayMusicStream()
Start music playing
---
> StopMusicStream()
Stop music playing
---
> PauseMusicStream()
Pause music playing
---
> ResumeMusicStream()
Resume playing paused music
---
> playing = PlayMusicStream()
Check if music is playing
- Success return bool
---
> success = RL_SetMusicVolume( float volume )
Set volume for music ( 1.0 is max level )
- Failure return false
- Success return true
---
## Math - Vector2
---
> result = RL_Vector2Add( Vector2 v1, Vector2 v2 )
Add two vectors (v1 + v2)
- Failure return false
- Success return Vector2
---
> result = RL_Vector2Subtract( Vector2 v1, Vector2 v2 )
Subtract two vectors (v1 - v2)
- Failure return false
- Success return Vector2
---
> result = RL_Vector2Multiply( Vector2 v1, Vector2 v2 )
Multiply vector by vector
- Failure return false
- Success return Vector2
---
> result = RL_Vector2Length( vector2 vector )
Calculate vector length
- Failure return false
- Success return float
---
> result = RL_Vector2DotProduct( Vector2 v1, Vector2 v2 )
Calculate two vectors dot product
- Failure return false
- Success return float
---
> result = RL_Vector2Distance( Vector2 v1, Vector2 v2 )
Calculate distance between two vectors
- Failure return false
- Success return float
---
> result = RL_Vector2Angle( Vector2 v1, Vector2 v2 )
Calculate angle from two vectors
- Failure return false
- Success return float
---
> result = RL_Vector2Normalize( Vector2 v )
Normalize provided vector
- Failure return false
- Success return Vector2
---
> result = RL_Vector2Lerp( Vector2 v1, Vector2 v2, float amount )
Calculate linear interpolation between two vectors
- Failure return false
- Success return Vector2
---
> result = RL_Vector2Reflect( Vector2 v, Vector2 normal )
Calculate reflected vector to normal
- Failure return false
- Success return Vector2
---
> result = RL_Vector2Rotate( Vector2 v, float angle )
Rotate vector by angle
- Failure return false
- Success return Vector2
---
> result = RL_Vector2MoveTowards( Vector2 v, Vector2 target, float maxDistance )
Move Vector towards target
- Failure return false
- Success return Vector2
---
## Math - Vector 3
---
> result = RL_Vector3CrossProduct( Vector3 v1, Vector3 v2 )
Add two vectors
- Failure return false
- Success return Vector3
---
> result = RL_Vector3Subtract( Vector3 v1, Vector3 v2 )
Subtract two vectors
- Failure return false
- Success return Vector3
---
> result = RL_Vector3Subtract( Vector3 v1, Vector3 v2 )
Multiply vector by vector
- Failure return false
- Success return Vector3
---
> result = RL_Vector3CrossProduct( Vector3 v1, Vector3 v2 )
Calculate two vectors cross product
- Failure return false
- Success return Vector3
---
> result = RL_Vector3Perpendicular( Vector3 v )
Calculate one vector perpendicular vector
- Failure return false
- Success return Vector3
---
> result = RL_Vector3Length( Vector3 v )
Calculate one vector perpendicular vector
- Failure return false
- Success return float
---
> result = RL_Vector3LengthSqr( Vector3 v )
Calculate vector square length
- Failure return false
- Success return float
---
> result = RL_Vector3DotProduct( Vector3 v1, Vector3 v2 )
Calculate two vectors dot product
- Failure return false
- Success return float
---
> result = RL_Vector3Distance( Vector3 v1, Vector3 v2 )
Calculate distance between two vectors
- Failure return false
- Success return float
---
> result = RL_Vector3Normalize( Vector3 v )
Normalize provided vector
- Failure return false
- Success return Vector3
---
> v1, v2 = RL_Vector3OrthoNormalize( Vector3 v1, Vector3 v2 )
Orthonormalize provided vectors. Makes vectors normalized and orthogonal to each other.
Gram-Schmidt function implementation
- Failure return false
- Success return Vector3, Vector3
---
> result = RL_Vector3Transform( Vector3 v, Matrix mat )
Transforms a Vector3 by a given Matrix
- Failure return false
- Success return Vector3
---
> result = RL_Vector3RotateByQuaternion( Vector3 v, Quaternion q )
Transform a vector by quaternion rotation
- Failure return false
- Success return Vector3
---
> result = RL_Vector3Lerp( Vector3 v1, Vector3 v2, float amount )
Calculate linear interpolation between two vectors
- Failure return false
- Success return Vector3
---
> result = RL_Vector3Reflect( Vector3 v, Vector3 normal )
Calculate reflected vector to normal
- Failure return false
- Success return Vector3
---
## Math - Matrix
---
> result = RL_MatrixDeterminant( Matrix mat )
Compute matrix determinant
- Failure return false
- Success return float
---
> result = RL_MatrixTranspose( Matrix mat )
Transposes provided matrix
- Failure return false
- Success return Matrix
---
> result = RL_MatrixInvert( Matrix mat )
Invert provided matrix
- Failure return false
- Success return Matrix
---
> result = RL_MatrixNormalize( Matrix mat )
Normalize provided matrix
- Failure return false
- Success return Matrix
---
> result = MatrixIdentity()
Get identity matrix
- Success return Matrix
---
> result = RL_MatrixAdd( Matrix left, Matrix right )
Add two matrices
- Failure return false
- Success return Matrix
---
> result = RL_MatrixAdd( Matrix left, Matrix right )
Subtract two matrices (left - right)
- Failure return false
- Success return Matrix
---
> result = RL_MatrixMultiply( Matrix left, Matrix right )
Get two matrix multiplication
- Failure return false
- Success return Matrix
---
> result = RL_MatrixTranslate( Vector3 translate )
Get translation matrix
- Failure return false
- Success return Matrix
---
> result = RL_MatrixRotate( Vector3 axis, float angle )
Create rotation matrix from axis and angle. NOTE: Angle should be provided in radians
- Failure return false
- Success return Matrix
---
> result = RL_MatrixScale( Vector3 scale )
Get scaling matrix
- Failure return false
- Success return Matrix
---
> result = RL_MatrixFrustum( double left, double right, double bottom, double top, double near, double far )
Get perspective projection matrix
- Failure return false
- Success return Matrix
---
> result = RL_MatrixPerspective( double fovy, double aspect, double near, double far )
Get perspective projection matrix
- Failure return false
- Success return Matrix
---
> result = RL_MatrixOrtho( double left, double right, double bottom, double top, double near, double far )
Get orthographic projection matrix
- Failure return false
- Success return Matrix
---
> result = RL_MatrixLookAt( Vector3 eye, Vector3 target, Vector3 up )
Get camera look-at matrix ( View matrix )
- Failure return false
- Success return Matrix
---
## Gui - Global
---
> RL_GuiEnable()
Enable gui controls ( Global state )
---
> RL_GuiDisable()
Disable gui controls ( Global state )
---
> RL_GuiLock()
Lock gui controls ( Global state )
---
> RL_GuiUnlock()
Unlock gui controls ( Global state )
---
## Gui - Font
---
> success = RL_GuiSetFont( Font font )
Set gui custom font ( Global state )
- Failure return false
- Success return true
---
## Gui - Container
---
> state = RL_GuiWindowBox( Rectangle bounds, string title )
Window Box control, shows a window that can be closed
- Failure return nil
- Success return bool
---
> success = RL_GuiPanel( Rectangle bounds )
Panel control, useful to group controls
- Failure return false
- Success return true
---
> view, scroll = RL_GuiScrollPanel( Rectangle bounds, Rectangle content, Vector2 scroll )
Scroll Panel control
- Failure return false
- Success return Rectangle, Vector2
---
## Gui - Basic
---
> success = RL_GuiLabel( Rectangle bounds, string text )
Label control, shows text
- Failure return false
- Success return true
---
> clicked = RL_GuiButton( Rectangle bounds, string text )
Button control, returns true when clicked
- Failure return nil
- Success return boolean
---
> active = RL_GuiToggle( Rectangle bounds, string text, bool active )
Toggle Button control, returns true when active
- Failure return nil
- Success return boolean
---
> active = RL_GuiCheckBox( Rectangle bounds, string text, bool checked )
Check Box control, returns true when active
- Failure return nil
- Success return boolean
---
> pressed, text = RL_GuiTextBox( Rectangle bounds, string text, int textSize, bool editMode )
Text Box control, updates input text
- Failure return nil
- Success return boolean, string
---
> pressed, text = RL_GuiTextBoxMulti( Rectangle bounds, string text, int textSize, bool editMode )
Text Box control with multiple lines
- Failure return nil
- Success return boolean, string
---
> pressed, value = RL_GuiSpinner( Rectangle bounds, string text, int value, int minValue, int maxValue, bool editMode )
Spinner control, returns selected value
- Failure return nil
- Success return boolean, int
---
> pressed, value = RL_GuiValueBox( Rectangle bounds, string text, int value, int minValue, int maxValue, bool editMode )
Value Box control, updates input text with numbers
- Failure return nil
- Success return boolean, int
---
> value = RL_GuiSlider( Rectangle bounds, string textLeft, string textRight, float value, float minValue, float maxValue )
Slider control, returns selected value
- Failure return nil
- Success return float
---
> value = RL_GuiSliderBar( Rectangle bounds, string textLeft, string textRight, float value, float minValue, float maxValue )
Slider Bar control, returns selected value
- Failure return nil
- Success return float
---
> value = RL_GuiProgressBar( Rectangle bounds, string textLeft, string textRight, float value, float minValue, float maxValue )
Progress Bar control, shows current progress value
- Failure return nil
- Success return float
---
> value = RL_GuiScrollBar( Rectangle bounds, int value, int minValue, int maxValue )
Scroll Bar control
- Failure return nil
- Success return int
---
> pressed, item = RL_GuiDropdownBox( Rectangle bounds, string text, int active, bool editMode )
Dropdown Box control, returns selected item
- Failure return nil
- Success return bool, int
---
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