diff options
Diffstat (limited to 'examples/texture_atlas_repeat')
| -rw-r--r-- | examples/texture_atlas_repeat/main.lua | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/examples/texture_atlas_repeat/main.lua b/examples/texture_atlas_repeat/main.lua new file mode 100644 index 0000000..6056e71 --- /dev/null +++ b/examples/texture_atlas_repeat/main.lua @@ -0,0 +1,35 @@ +local atlas = nil +local shader = nil + +local GLSL_VERSION = "330" -- PLATFORM_DESKTOP + +function RL.init() + RL.SetWindowTitle( "Texture atlas repeat shader" ) + RL.SetWindowState( RL.FLAG_VSYNC_HINT ) + + local path = RL.GetBasePath().."../resources/" + local shaderPath = path.."/shaders/glsl"..GLSL_VERSION.."/" + + shader = RL.LoadShader( shaderPath.."base.vs", shaderPath.."atlas_repeat.fs" ) + atlas = RL.LoadTexture( path.."images/tiles.png" ) + + local loc = RL.GetShaderLocation( shader, "atlasSize" ) + RL.SetShaderValue( shader, loc, RL.GetTextureSize( atlas ), RL.SHADER_UNIFORM_VEC2 ) + loc = RL.GetShaderLocation( shader, "tileTexSize" ) + RL.SetShaderValue( shader, loc, { 32, 32 }, RL.SHADER_UNIFORM_VEC2 ) + -- Set texture for DrawTriangle. + RL.SetShapesTexture( atlas, { 32 * 4, 0, 32, 32 } ) +end + +function RL.update( delta ) +end + +function RL.draw() + RL.ClearBackground( RL.RAYWHITE ) + + RL.BeginShaderMode( shader ) + RL.DrawTexturePro( atlas, { 0, 0, 32, 32 }, { 0, 0, 64, 64 }, { 0.0 }, 0.0, RL.WHITE ) + RL.DrawTexturePro( atlas, { 32, 0, 32, 32 }, { 0, 64, 128, 64 }, { 0.0 }, 0.0, RL.WHITE ) + RL.DrawTriangle( { 32, 200 }, { 128, 400 }, { 320, 240 }, RL.WHITE ) + RL.EndShaderMode() +end |