class AnimatedTexture

package h3d.shader

extends Shader

@:src({ @input var input:{ var uv : Vec2}; @const @param var useSourceUVs:Bool = true; @const @param var blendBetweenFrames:Bool = true; @param var texture:Sampler2D; var pixelColor:Vec4; var animatedUV:Vec2; var animatedUV2:Vec2; @global var global:{ var time : Float}; @perInstance @param var startFrame:Float = 0.0; @param var speed:Float; @param var frameDivision:Vec2; @param var totalFrames:Float; @perInstance @param var startTime:Float; @const var loop:Bool; @private var blendFactor:Float; var textureColor:Vec4; var calculatedUV:Vec2; function vertex() { var frame = (global.time - startTime) * speed + float(int(startFrame)); blendFactor = frame.fract(); frame = floor(frame); if (loop) frame %= totalFrames else frame = min(frame, totalFrames - 1); var nextFrame = if (loop) (frame + 1) % totalFrames else min(frame + 1, totalFrames - 1); var delta = vec2(frame % frameDivision.x, float(int(frame / frameDivision.x))); animatedUV = (delta) / frameDivision; var delta = vec2(nextFrame % frameDivision.x, float(int(nextFrame / frameDivision.x))); animatedUV2 = (delta) / frameDivision; }; function __init__fragment() { textureColor = mix(texture.get((useSourceUVs ? input.uv : calculatedUV) / frameDivision + animatedUV), texture.get((useSourceUVs ? input.uv : calculatedUV) / frameDivision + animatedUV2), blendBetweenFrames ? blendFactor : 0.0); }; function fragment() { pixelColor *= textureColor; }; })@:build(hxsl.Macros.buildShader())@:autoBuild(hxsl.Macros.buildShader())