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19 lines
479 B
GLSL
19 lines
479 B
GLSL
#define HIGHP
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uniform sampler2D u_texture;
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uniform vec2 u_texsize;
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uniform vec2 u_invsize;
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uniform float u_time;
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uniform float u_dp;
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uniform vec2 u_offset;
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varying vec2 v_texCoords;
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void main(){
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vec2 T = v_texCoords.xy;
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vec2 coords = (T * u_texsize) + u_offset;
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vec4 color = texture2D(u_texture, T);
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color.a *= (0.37 + abs(sin(u_time / 15.0)) * .05 + 0.2 * (step(mod(coords.x / u_dp + coords.y / u_dp + u_time / 4.0, 10.0), 3.0)));
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gl_FragColor = color;
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}
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