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| author | jussi | 2022-02-18 18:27:10 +0200 |
|---|---|---|
| committer | jussi | 2022-02-18 18:27:10 +0200 |
| commit | 6e4fdd3b3ae4e4656e151f098c40cfe551a36e8c (patch) | |
| tree | 37e30d371ebd44dfc8bab0d33c26f0294bda5ae4 /examples/shaders/main.lua | |
| parent | 345cc1d5aa3b3c97e2cce453dc65a62c3e05427b (diff) | |
| download | reilua-enhanced-6e4fdd3b3ae4e4656e151f098c40cfe551a36e8c.tar.gz reilua-enhanced-6e4fdd3b3ae4e4656e151f098c40cfe551a36e8c.tar.bz2 reilua-enhanced-6e4fdd3b3ae4e4656e151f098c40cfe551a36e8c.zip | |
Added initial files.
Diffstat (limited to 'examples/shaders/main.lua')
| -rw-r--r-- | examples/shaders/main.lua | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/examples/shaders/main.lua b/examples/shaders/main.lua new file mode 100644 index 0000000..eea9344 --- /dev/null +++ b/examples/shaders/main.lua @@ -0,0 +1,60 @@ +local monitor = 0 +local shader = -1 +local texture = -1 +local textureSize + +local GLSL_VERSION = "330" -- PLATFORM_DESKTOP +-- local GLSL_VERSION = "100" -- PLATFORM_RPI, PLATFORM_ANDROID, PLATFORM_WEB + +local secondsLoc + +function init() + local mPos = RL_GetMonitorPosition( monitor ) + local mSize = RL_GetMonitorSize( monitor ) + local winSize = RL_GetWindowSize() + + RL_SetWindowState( FLAG_WINDOW_RESIZABLE ) + RL_SetWindowPosition( { mPos[1] + mSize[1] / 2 - winSize[1] / 2, mPos[2] + mSize[2] / 2 - winSize[2] / 2 } ) + + texture = RL_LoadTexture( RL_GetBasePath().."../resources/images/cat.png" ) + textureSize = RL_GetTextureSize( texture ) + shader = RL_LoadShader( nil, RL_GetBasePath().."../resources/shaders/glsl"..GLSL_VERSION.."/wave.fs" ) + + secondsLoc = RL_GetShaderLocation( shader, "secondes" ) + local sizeLoc = RL_GetShaderLocation( shader, "size" ) + local freqXLoc = RL_GetShaderLocation( shader, "freqX" ) + local freqYLoc = RL_GetShaderLocation( shader, "freqY" ) + local ampXLoc = RL_GetShaderLocation( shader, "ampX" ) + local ampYLoc = RL_GetShaderLocation( shader, "ampY" ) + local speedXLoc = RL_GetShaderLocation( shader, "speedX" ) + local speedYLoc = RL_GetShaderLocation( shader, "speedY" ) + + local freqX = 25.0 + local freqY = 25.0 + local ampX = 5.0 + local ampY = 5.0 + local speedX = 8.0 + local speedY = 8.0 + + RL_SetShaderValue( shader, sizeLoc, textureSize, SHADER_UNIFORM_VEC2 ) + RL_SetShaderValue( shader, freqXLoc, { freqX }, SHADER_UNIFORM_FLOAT ) + RL_SetShaderValue( shader, freqYLoc, { freqY }, SHADER_UNIFORM_FLOAT ) + RL_SetShaderValue( shader, ampXLoc, { ampX }, SHADER_UNIFORM_FLOAT ) + RL_SetShaderValue( shader, ampYLoc, { ampY }, SHADER_UNIFORM_FLOAT ) + RL_SetShaderValue( shader, speedXLoc, { speedX }, SHADER_UNIFORM_FLOAT ) + RL_SetShaderValue( shader, speedYLoc, { speedY }, SHADER_UNIFORM_FLOAT ) +end + +local seconds = 0.0 + +function draw() + seconds = seconds + RL_GetFrameTime(); + + RL_SetShaderValue( shader, secondsLoc, { seconds }, SHADER_UNIFORM_FLOAT ); + + RL_ClearBackground( { 100, 150, 100 } ) + + RL_BeginShaderMode( shader ) + RL_DrawTexture( texture, { 0, 0 }, WHITE ); + RL_EndShaderMode() +end |