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GetRayBoxCells fix.

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This commit is contained in:
jussi
2024-08-05 23:35:57 +03:00
parent c6eb85b367
commit b011b2ca4e
16 changed files with 126 additions and 60 deletions
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2
README.md
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@@ -116,6 +116,8 @@ https://github.com/raysan5/raylib
https://github.com/lua/lua or https://github.com/LuaJIT/LuaJIT
Note! Lua header files are from Lua 5.4.0, if you use different version be sure to replace them.
### Linux
Compile Raylib and lua by following their instructions. They will compile to libraylib.a and liblua.a by default.

1
changelog
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@@ -67,6 +67,7 @@ DETAILED CHANGES:
- ADDED: Some raygui controls return 1 instead of 0 when pressed or scrolled.
- ADDED: DrawGridEx.
- ADDED: GetRayBoxCells.
- FIXED: GenImageColor color was also argument 1.
------------------------------------------------------------------------
Release: ReiLua version 0.7.0 Using Raylib 5.0 and Forked Raygui 4.0

8
devnotes
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@@ -19,15 +19,17 @@ Backlog {
* Improve Dungeon crawler example by generating custom mesh instead of drawing 3D quads.
* Platformer example physics update for true framerate independence.
* Android support
* For raylib 5.5
* DrawBillboardPro BREAKING CHANGE.
}
Bugs {
* glfwSet*Callback functions segfault on Windows. Should keep Lua events off for now.
}
Notes {
* raylib 5.5
* DrawBillboardPro BREAKING CHANGE.
}
Needs Testing {
* rlSetUniform
* rlSetShader

10
examples/ray_box_cells/main.lua
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@@ -10,7 +10,8 @@ Cam3D = require( "camera3d" )
local monitor = 0
local camera = {}
local box = BoundinBox:new( { -8, 0, -8 }, { 16, 16, 16 } )
-- local box = BoundinBox:new( { -8, 0, -8 }, { 16, 16, 16 } )
local box = BoundinBox:new( { -7, 1, -8 }, { 4, 1, 7 } )
local cellSize = Vector3:new( 1, 1, 1 )
local drawCellSize = cellSize:clone()
local ray = nil
@@ -60,10 +61,9 @@ function RL.update( delta )
-- Raycast.
-- if not guiMouseHover then
if not guiMouseHover and RL.IsMouseButtonPressed( RL.MOUSE_BUTTON_LEFT ) then
ray = RL.GetMouseRay( RL.GetMousePosition(), camera.camera )
rayCol = box:getRayCollision( ray )
rayCol = box:getRayCollisionMAS( ray )
cells, exitPoint = RL.GetRayBoxCells( ray, box:maxToPos(), cellSize )
drawCellSize:setV( cellSize )
@@ -99,8 +99,8 @@ function RL.draw()
if rayCol and rayCol.hit then
RL.DrawSphere( rayCol.point, 0.1, RL.RED )
end
if exitPoint.hit then
RL.DrawSphere( exitPoint.point, 0.1, RL.RED )
if exitPoint and exitPoint.hit then
RL.DrawSphere( exitPoint.point, 0.1, RL.YELLOW )
end
if cells then
for _, cell in ipairs( cells ) do

60
examples/resources/lib/bounding_box.lua
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@@ -3,7 +3,7 @@ if table.unpack == nil then
table.unpack = unpack
end
local Vector3 = require( "vector3" )
local Vector3 = Vector3 or require( "vector3" )
local BoundingBox = {}
local metatable = {
@@ -135,31 +135,25 @@ function BoundingBox:getPoints()
}
end
-- Assumes max is used as size.
function BoundingBox:checkCollisionBox( b )
return RL.CheckCollisionBoxes( self:maxToPos(), b:maxToPos() )
return RL.CheckCollisionBoxes( self, b )
end
-- Assumes max is used as size.
function BoundingBox:checkCollisionSphere( center, radius )
return RL.CheckCollisionBoxSphere( self:maxToPos(), center, radius )
return RL.CheckCollisionBoxSphere( self, center, radius )
end
-- Assumes max is used as size.
function BoundingBox:checkCollisionPoint( point )
local max = self.min + self.max
return self.min.x <= point.x
and self.min.y <= point.y
and self.min.z <= point.z
and point.x <= max.x
and point.y <= max.y
and point.z <= max.z
and point.x <= self.max.x
and point.y <= self.max.y
and point.z <= self.max.z
end
-- Assumes max is used as size.
function BoundingBox:getRayCollision( ray )
return RL.GetRayCollisionBox( ray, self:maxToPos() )
return RL.GetRayCollisionBox( ray, self )
end
-- Max to position from size.
@@ -172,6 +166,36 @@ function BoundingBox:maxToSize()
return BoundingBox:newV( self.min, self.max - self.min )
end
-- MAS stands for max as size. These functions handles max as size instead of position.
function BoundingBox:checkCollisionBoxMASBox( b )
return RL.CheckCollisionBoxes( self:tempMaxToPos(), b )
end
function BoundingBox:checkCollisionBoxMAS( b )
return RL.CheckCollisionBoxes( self:tempMaxToPos(), b:tempMaxToPos() )
end
function BoundingBox:checkCollisionSphereMAS( center, radius )
return RL.CheckCollisionBoxSphere( self:tempMaxToPos(), center, radius )
end
function BoundingBox:checkCollisionPointMAS( point )
local max = self.min + self.max
return self.min.x <= point.x
and self.min.y <= point.y
and self.min.z <= point.z
and point.x <= max.x
and point.y <= max.y
and point.z <= max.z
end
function BoundingBox:getRayCollisionMAS( ray )
return RL.GetRayCollisionBox( ray, self:tempMaxToPos() )
-- return RL.GetRayCollisionBox( ray, self:maxToPos() )
end
-- Temp pre generated objects to avoid "slow" table generation.
local TEMP_COUNT = 100
@@ -230,6 +254,16 @@ function BoundingBox:tempB( b )
return object
end
-- Max to position from size.
function BoundingBox:tempMaxToPos()
return BoundingBox:tempV( self.min, Vector3:tempT( RL.Vector3Add( self.min, self.max ) ) )
end
-- Max to size from position.
function BoundingBox:tempMaxToSize()
return BoundingBox:tempV( self.min, Vector3:tempT( RL.Vector3Subtract( self.max, self.min ) ) )
end
function BoundingBox:getTempId()
return curTemp
end

12
examples/resources/lib/color.lua
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@@ -3,8 +3,6 @@ if table.unpack == nil then
table.unpack = unpack
end
local Vector3 = require( "vector3" )
local Color = {}
local metatable = {
__index = Color,
@@ -92,7 +90,7 @@ function Color:setC( c )
end
function Color:serialize()
return "Color:new("..self.r..","..self.g..","..self.b..","..self.a..")"
return "Color:new("..RL.Round( self.r )..","..RL.Round( self.g )..","..RL.Round( self.b )..","..RL.Round( self.a )..")"
end
function Color:arr()
@@ -156,12 +154,12 @@ function Color:alphaBlend( dst, src, tint )
end
function Color:lerp( color, amount )
return Color:new(
return Color:temp(
RL.Lerp( self.r, color.r, amount ),
RL.Lerp( self.g, color.g, amount ),
RL.Lerp( self.b, color.b, amount ),
RL.Lerp( self.a, color.a, amount )
)
):round()
end
function Color:round()
@@ -173,6 +171,10 @@ function Color:round()
)
end
function Color:invert()
return Color:new( 255 - self.r, 255 - self.g, 255 - self.b, self.a )
end
-- Temp pre generated objects to avoid "slow" table generation.
local TEMP_COUNT = 100

2
examples/resources/lib/raygui.lua
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@@ -1729,7 +1729,7 @@ function Raygui:update()
for i = #self.controls, 1, -1 do
local control = self.controls[i]
if control.visible and control.update ~= nil and self:inView( control ) then
if control.visible and not control.noUpdate and control.update ~= nil and self:inView( control ) then
if control:update() then
self.focused = i

10
examples/resources/lib/vector2.lua
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@@ -36,6 +36,12 @@ local metatable = {
__eq = function( v1, v2 )
return RL.Vector2Equals( v1, v2 )
end,
__lt = function( v1, v2 )
return v1.x < v2.x and v1.y < v2.y
end,
__le = function( v1, v2 )
return v1.x <= v2.x and v1.y <= v2.y
end,
__concat = function( a, b )
return tostring( a )..tostring( b )
end,
@@ -205,6 +211,10 @@ function Vector2:equals( v2 )
return RL.Vector2Equals( self, v2 )
end
function Vector2:sign()
return Vector2:new( RL.Sign( self.x ), RL.Sign( self.y ) )
end
function Vector2:addEq( v2 )
self.x = self.x + v2.x
self.y = self.y + v2.y

12
examples/resources/lib/vector3.lua
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@@ -3,8 +3,6 @@ if table.unpack == nil then
table.unpack = unpack
end
local Vector2 = Vector2 or require( "vector2" )
local Vector3 = {}
local metatable = {
__index = Vector3,
@@ -38,6 +36,12 @@ local metatable = {
__eq = function( v1, v2 )
return RL.Vector3Equals( v1, v2 )
end,
__lt = function( v1, v2 )
return v1.x < v2.x and v1.y < v2.y and v1.z < v2.z
end,
__le = function( v1, v2 )
return v1.x <= v2.x and v1.y <= v2.y and v1.z <= v2.z
end,
__concat = function( a, b )
return tostring( a )..tostring( b )
end,
@@ -232,6 +236,10 @@ function Vector3:equals( v2 )
return RL.Vector3Equals( self, v2 )
end
function Vector3:sign()
return Vector3:new( RL.Sign( self.x ), RL.Sign( self.y ), RL.Sign( self.z ) )
end
function Vector3:addEq( v2 )
self.x = self.x + v2.x
self.y = self.y + v2.y

7
examples/resources/shaders/glsl330/base.fs
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@@ -13,13 +13,12 @@ out vec4 finalColor;
// NOTE: Add here your custom variables
void main()
{
void main() {
// Texel color fetching from texture sampler
vec4 texelColor = texture(texture0, fragTexCoord);
vec4 texelColor = texture( texture0, fragTexCoord );
// NOTE: Implement here your fragment shader code
finalColor = texelColor*colDiffuse;
finalColor = texelColor * colDiffuse;
}

5
examples/resources/shaders/glsl330/base.vs
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@@ -15,12 +15,11 @@ out vec4 fragColor;
// NOTE: Add here your custom variables
void main()
{
void main() {
// Send vertex attributes to fragment shader
fragTexCoord = vertexTexCoord;
fragColor = vertexColor;
// Calculate final vertex position
gl_Position = mvp*vec4(vertexPosition, 1.0);
gl_Position = mvp * vec4( vertexPosition, 1.0 );
}

6
include/state.h
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@@ -37,9 +37,9 @@ typedef struct {
GLFWcursorenterfun raylibCursorEnterCallback;
GLFWjoystickfun raylibJoystickCallback;
/* NOTE! Experimental. Needs glfw PR https://github.com/glfw/glfw/pull/1445 */
GLFWpentabletdatafun glfwtabletDataCallback;
GLFWpentabletcursorfun glfwtabletCursorCallback;
GLFWpentabletproximityfun glfwtabletProximityCallback;
GLFWpentabletdatafun glfwTabletDataCallback;
GLFWpentabletcursorfun glfwTabletCursorCallback;
GLFWpentabletproximityfun glfwTabletProximityCallback;
#elif PLATFORM_DESKTOP_SDL
int SDL_eventQueueLen;
SDL_Event* SDL_eventQueue;

1
src/lua_core.c
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@@ -755,6 +755,7 @@ static void defineGlobals() {
assignGlobalColor( RAYWHITE, "RAYWHITE" ); // My own White (raylib logo)
/* Math */
assignGlobalFloat( PI, "PI" ); // Pi
assignGlobalFloat( EPSILON, "EPSILON" ); // Epsilon
assignGlobalFloat( DEG2RAD, "DEG2RAD" ); // Degrees to radians
assignGlobalFloat( RAD2DEG, "RAD2DEG" ); // Radians to degrees
/* Gui control state */

27
src/models.c
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@@ -2516,7 +2516,7 @@ int lmodelsGetRayCollisionTriangle( lua_State* L ) {
/*
> rayCollision = RL.GetRayCollisionQuad( Ray ray, Vector3 p1, Vector3 p2, Vector3 p3, Vector3 p4 )
Get collision info between ray and quad
Get collision info between ray and quad. NOTE: The points are expected to be in counter-clockwise winding
- Success return RayCollision
*/
@@ -2599,11 +2599,6 @@ int lmodelsGetRayBoxCells( lua_State* L ) {
0.0f <= ray.direction.z ? 1.0f : -1.0f
};
/* We transform everything to absolute space to make this simpler. */
Vector3 absBounds = {
0.0f < signs.x ? boxSizeCells.x - cellPos.x : cellPos.x + 1.0f,
0.0f < signs.y ? boxSizeCells.y - cellPos.y : cellPos.y + 1.0f,
0.0f < signs.z ? boxSizeCells.z - cellPos.z : cellPos.z + 1.0f
};
Vector3 absDir = {
fabsf( ray.direction.x ),
fabsf( ray.direction.y ),
@@ -2614,6 +2609,21 @@ int lmodelsGetRayBoxCells( lua_State* L ) {
0.0f < signs.y ? localRayPos.y - cellPos.y * cellSize.y : cellSize.y - ( localRayPos.y - cellPos.y * cellSize.y ),
0.0f < signs.z ? localRayPos.z - cellPos.z * cellSize.z : cellSize.z - ( localRayPos.z - cellPos.z * cellSize.z )
};
Vector3 absBounds = {
0.0f < signs.x ? boxSize.x - localRayPos.x : localRayPos.x,
0.0f < signs.y ? boxSize.y - localRayPos.y : localRayPos.y,
0.0f < signs.z ? boxSize.z - localRayPos.z : localRayPos.z
};
absBounds = Vector3Add( absBounds, absPos );
Vector3 exitDis = {
( absBounds.x - absPos.x ) / absDir.x,
( absBounds.y - absPos.y ) / absDir.y,
( absBounds.z - absPos.z ) / absDir.z
};
float exitScale = fmin( fmin( exitDis.x, exitDis.y ), exitDis.z );
Vector3 exitPoint = Vector3Add( Vector3Scale( ray.direction, exitScale ), Vector3Add( localRayPos, box.min ) );
Vector3 absCell = { 0, 0, 0 };
int cellId = 2; /* We already added first so we will start at 2. */
@@ -2636,17 +2646,14 @@ int lmodelsGetRayBoxCells( lua_State* L ) {
float rayMoveScale = fmin( fmin( cellDis.x, cellDis.y ), cellDis.z );
absPos = Vector3Add( absPos, Vector3Scale( absDir, rayMoveScale ) );
localRayPos = Vector3Add( localRayPos, Vector3Scale( ray.direction, rayMoveScale ) );
if ( absCell.x < absBounds.x && absCell.y < absBounds.y && absCell.z < absBounds.z ) {
if ( absPos.x < absBounds.x && absPos.y < absBounds.y && absPos.z < absBounds.z ) {
uluaPushVector3( L, (Vector3){ round( cellPos.x ), round( cellPos.y ), round( cellPos.z ) } );
lua_rawseti( L, -2, cellId );
cellId++;
}
else {
Vector3 exitPoint = Vector3Add( localRayPos, box.min );
uluaPushRayCollision( L, (RayCollision){
.hit = true,
.distance = Vector3Distance( ray.position, exitPoint ),

9
src/platforms/core_desktop.c
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@@ -99,6 +99,7 @@ int lcoreGetKeyScancode( lua_State* L ) {
Called when the window is resized. Type GLFW_WINDOW_SIZE_EVENT
*/
static void windowSizeEvent( GLFWwindow* window, int width, int height ) {
// GLFWwindowsizefun windowSizeEvent( GLFWwindow* window, int width, int height ) {
/* Pass through to raylib callback. */
state->raylibWindowSizeCallback( window, width, height );
@@ -617,7 +618,7 @@ static void penTabletProximityEvent( int proxState ) {
static void platformRegisterEvents() {
/* Window events. */
state->raylibWindowSizeCallback = glfwSetWindowSizeCallback( GetWindowHandle(), windowSizeEvent );
state->raylibWindowSizeCallback = glfwSetWindowSizeCallback( GetWindowHandle(), (GLFWwindowsizefun)windowSizeEvent );
#if !defined( PLATFORM_WEB )
state->raylibWindowMaximizeCallback = glfwSetWindowMaximizeCallback( GetWindowHandle(), windowMaximizeEvent );
#endif
@@ -634,9 +635,9 @@ static void platformRegisterEvents() {
state->raylibCursorEnterCallback = glfwSetCursorEnterCallback( GetWindowHandle(), cursorEnterInputEvent );
state->raylibJoystickCallback = glfwSetJoystickCallback( joystickEvent );
/* NOTE! Experimental. Needs glfw PR https://github.com/glfw/glfw/pull/1445 */
// state->glfwtabletDataCallback = glfwSetPenTabletDataCallback( penTabletDataEvent );
// state->glfwtabletCursorCallback = glfwSetPenTabletCursorCallback( penTabletCursorEvent );
// state->glfwtabletProximityCallback = glfwSetPenTabletProximityCallback( penTabletProximityEvent );
// state->glfwTabletDataCallback = glfwSetPenTabletDataCallback( penTabletDataEvent );
// state->glfwTabletCursorCallback = glfwSetPenTabletCursorCallback( penTabletCursorEvent );
// state->glfwTabletProximityCallback = glfwSetPenTabletProximityCallback( penTabletProximityEvent );
}
void luaPlatformRegister() {

2
src/textures.c
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@@ -255,7 +255,7 @@ Generate image: plain color
*/
int ltexturesGenImageColor( lua_State* L ) {
Vector2 size = uluaGetVector2( L, 1 );
Color color = uluaGetColor( L, 1 );
Color color = uluaGetColor( L, 2 );
uluaPushImage( L, GenImageColor( size.x, size.y, color ) );