experiment shaders in outfit

modules/outfit.frag

@@ -0,0 +1,49 @@
+uniform float opacity;
+uniform vec4 color;
+uniform float ticks;
+
+uniform sampler2D texture; // outfit texture
+varying vec2 textureCoords; // outfit texture coords
+uniform sampler2D maskTexture; // outfit color mask
+
+uniform vec4 headColor;
+uniform vec4 bodyColor;
+uniform vec4 legsColor;
+uniform vec4 feetColor;
+
+vec4 calcPixel(vec2 texCoord)
+{
+    vec4 pixel = texture2D(texture, texCoord);
+    vec4 maskColor = texture2D(maskTexture, texCoord);
+
+    vec4 outColor = vec4(0);
+    if(maskColor.r == 1.0 && maskColor.g == 1.0) {
+        outColor = headColor;
+    } else if(maskColor.r == 1.0) {
+        outColor = bodyColor;
+    } else if(maskColor.g == 1.0) {
+        outColor = legsColor;
+    } else if(maskColor.b == 1.0) {
+        outColor = feetColor;
+    }
+
+    if(outColor.a != 0.0)
+        pixel = pixel * outColor;
+    return pixel;
+}
+void main()
+{
+    vec4 pixel = calcPixel(textureCoords);
+    int num = 16;
+
+    vec4 sum = vec4(0);
+    int i, j;
+    for(i=-num/2;i<num/2;++i) {
+        for(j=-num/2;j<num/2;++j) {
+            sum += calcPixel(textureCoords + vec2(i+1, j+1)*0.005) * 1.0/(num*num);
+        }
+    }
+    sum = sin(ticks/500.0)*sum;
+
+    gl_FragColor = pixel * color * opacity + sum;
+}