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21 lines
430 B
GLSL
21 lines
430 B
GLSL
#version 300 es
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precision highp float;
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uniform sampler2D bg;
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uniform vec2 cursorPos;
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uniform float hasCursor;
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in vec2 fragCoord;
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in vec2 fragUv;
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void main() {
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vec2 diff = cursorPos - fragUv;
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float light = clamp(.1 - (diff.x * diff.x + diff.y * diff.y), 0.0, 1.0);
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vec2 zoomedUv = fragUv * .9 + (.1 / 2.0);
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gl_FragColor = mix(texture(bg, zoomedUv + (cursorPos - .5) / 10.0), vec4(1.0), light * hasCursor);
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}
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