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123 lines
2.5 KiB
123 lines
2.5 KiB
varying vec2 textureCoords;
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uniform float opacity;
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uniform vec4 color;
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uniform float ticks;
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uniform sampler2D texture;
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void main()
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{
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gl_FragColor = texture2D(texture, textureCoords) * color * opacity;
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}
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/*
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varying vec2 textureCoords;
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uniform vec4 color;
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uniform float ticks;
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uniform sampler2D texture;
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void main()
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{
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int num = 4;
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vec4 sum = vec4(0);
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int i, j;
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for(i=-num/2;i<num/2;++i) {
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for(j=-num/2;j<num/2;++j) {
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sum += texture2D(texture, textureCoords + vec2(i+1, j+1)*0.001) * 1.0/(num*num);
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}
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}
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float period = ticks/1000.0;
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float a = (sin(period)+1.0)/2.0;
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sum.a = 0;
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gl_FragColor = vec4(1,1,1,2) - texture2D(texture, textureCoords);
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}
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*/
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/*
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uniform sampler2D texture;
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varying vec2 textureCoords;
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void main()
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{
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vec4 sum = vec4(0);
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vec2 texcoord = textureCoords;
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int j;
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int i;
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for( i= -4 ;i < 4; i++)
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{
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for (j = -3; j < 3; j++)
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{
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sum += texture2D(texture, texcoord + vec2(j, i)*0.004) * 0.25;
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}
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}
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if (texture2D(texture, texcoord).r < 0.3)
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{
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gl_FragColor = sum*sum*0.012 + texture2D(texture, texcoord);
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}
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else
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{
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if (texture2D(texture, texcoord).r < 0.5)
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{
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gl_FragColor = sum*sum*0.009 + texture2D(texture, texcoord);
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}
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else
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{
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gl_FragColor = sum*sum*0.0075 + texture2D(texture, texcoord);
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}
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}
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}
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*/
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/*
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uniform sampler2D texture;
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varying vec2 textureCoords;
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uniform vec4 color;
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uniform float opacity;
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uniform float ticks;
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uniform float rt_w = 18*32;
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uniform float rt_h = 14*32;
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uniform float radius = 300.0;
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uniform float angle = 0.2;
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uniform vec2 center = vec2(8*32, 5*32);
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vec4 PostFX(sampler2D tex, vec2 uv, float time)
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{
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vec2 texSize = vec2(rt_w, rt_h);
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vec2 tc = uv * texSize;
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tc -= center;
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float dist = length(tc);
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if (dist < radius)
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{
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float percent = (radius - dist) / radius;
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float theta = percent * percent * ((int)ticks % 1000)/1000.0 * 8.0;
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float s = sin(theta);
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float c = cos(theta);
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tc = vec2(dot(tc, vec2(c, -s)), dot(tc, vec2(s, c)));
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}
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tc += center;
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vec3 color = texture2D(texture, tc / texSize).rgb;
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return vec4(color, 1.0);
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}
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void main (void)
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{
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vec2 uv = textureCoords.st;
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gl_FragColor = PostFX(texture, uv, ticks) * opacity;
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}
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*/
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/*
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uniform float opacity;
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vec4 calculatePixel();
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void main()
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{
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gl_FragColor = calculatePixel() * opacity;
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}
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varying vec2 textureCoords;
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uniform vec4 color;
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uniform sampler2D texture;
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vec4 calculatePixel() {
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return texture2D(texture, textureCoords) * color;
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}
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*/ |