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13 lines
317 B
13 lines
317 B
4 months ago
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uniform vec2 u_resolution;
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uniform vec2 u_mouse;
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uniform float u_duration;
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uniform float u_time;
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uniform float u_time_end;
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void main() {
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float tick = (u_time_end - u_time) / u_duration;
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float blink = smoothstep(1.0, 0.5, tick);
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vec4 color = vec4(blink, blink, blink, 1.0);
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gl_FragColor = gl_Color * color;
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}
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