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19 lines
434 B
GLSL
19 lines
434 B
GLSL
#ifdef GL_ES
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precision mediump float;
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#endif
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uniform vec2 u_resolution;
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uniform vec2 u_mouse;
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uniform float u_time;
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#define PI 3.14159265359
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void main() {
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vec2 st = gl_FragCoord.xy/u_resolution;
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// vec3 color = vec3(0.0,0.0,0.0);
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float pct = distance(gl_FragCoord.xy, (vec2(0.5)*u_resolution)) // find a way to make this a circle even when non 1:1 aspect ratio
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vec3 color = vec3(pct);
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gl_FragColor = vec4(color, 1.0);
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}
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