18 lines
416 B
GLSL
18 lines
416 B
GLSL
#version 450
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uniform sampler2D tex;
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in vec2 texCoord;
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out vec4 fragColor;
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void main() {
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const float speed = 0.01;
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fragColor.a = speed;
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fragColor.rgb = textureLod(tex, vec2(0.5, 0.5), 0.0).rgb +
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textureLod(tex, vec2(0.2, 0.2), 0.0).rgb +
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textureLod(tex, vec2(0.8, 0.2), 0.0).rgb +
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textureLod(tex, vec2(0.2, 0.8), 0.0).rgb +
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textureLod(tex, vec2(0.8, 0.8), 0.0).rgb;
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fragColor.rgb /= 5.0;
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}
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