0d14e5a379
Needs a lot of cleanup. Data has been de-duplicated, and where identical copies existed, one of them has been replaced with a symlink. Some files have been excluded, such as binaries, installers and debug dumps. Some of that may still be present.
93 lines
2.9 KiB
GLSL
93 lines
2.9 KiB
GLSL
uniform float mode = 0;
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uniform float width = 0.2;
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uniform float speed = 4.0;
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#define PI 3.1415926535897932384626433832795
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float t(float minv, float maxv, float m) {
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float range = (maxv - minv);
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return (minv + range/2) + (range/2) * sin(iGlobalTime * m);
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}
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float pulse(float freq) {
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return 0.5 + 0.25 * sin(iGlobalTime * freq);
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}
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float getProceduralColors(inout vec3 diffuse, inout vec3 specular, inout float shininess) {
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if (abs(_modelNormal.y) > width) {
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discard;
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}
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if (mode == 0) {
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diffuse = vec3(t(.5, 1, 5), t(.5, 1, 3), t(.5, 1, 2));
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if (abs(_modelNormal.y) > width) {
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discard;
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}
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return 1.0;
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} else if (mode == 1) {
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float count = 2;
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float rad = mod(iGlobalTime * 2.0, 2 * PI);
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rad -= PI;
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rad += _modelNormal.y / 0.25;
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float currad = atan(_modelNormal.z, _modelNormal.x);
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currad = mod((currad + PI) * count, 2 * PI);
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currad -= PI;
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diffuse = vec3(t(.5, 1, 5), t(.5, 1, 3), t(.5, 1, 2));
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float drad = abs(currad - rad);
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if (drad > PI) {
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drad = 2 * PI - drad;
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}
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if (drad > PI/2) {
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discard;
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}
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return 1.0;
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} else if (mode == 2) {
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float color = floor(mod(iGlobalTime * 5, 6.0));
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if (color == 0) {
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diffuse = vec3(1, .3, .7);
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} else if (color == 2) {
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diffuse = vec3(66/255.0, 232/255.0, 244/255.0);
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} else if (color == 4) {
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diffuse = vec3(179/255.0, 66/255.0, 244/255.0);
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} else {
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discard;
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}
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return 1.0;
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} else if (mode == 3) {
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float count = 4 + 50 * sin(iGlobalTime * 1);
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float rad = mod(iGlobalTime * 2.0, 2 * PI);
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rad -= PI;
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rad += _modelNormal.y / 0.25;
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float currad = atan(_modelNormal.z, _modelNormal.x);
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currad = mod((currad + PI) * count, 2 * PI);
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currad -= PI;
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diffuse = vec3(t(.5, 1, 5), t(.5, 1, 3), t(.5, 1, 2));
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float drad = abs(currad - rad);
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if (drad > PI) {
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drad = 2 * PI - drad;
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}
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if (drad > PI/2) {
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discard;
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}
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return 1.0;
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} else if (mode == 4) {
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float count = 20;
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float rad = mod(iGlobalTime * 2.0, 2 * PI);
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rad -= PI;
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rad += _modelNormal.y / 0.5;
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float currad = atan(_modelNormal.z, _modelNormal.x);
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currad = mod((currad + PI) * count, 2 * PI);
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currad -= PI;
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diffuse = vec3(t(.5, 1, 5), t(.5, 1, 3), t(.5, 1, 2));
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float drad = abs(currad - rad);
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if (drad > PI) {
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drad = 2 * PI - drad;
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}
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if (drad > 0.3) {
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discard;
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}
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return 1.0;
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}
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//float size = 0.5 + (1 + sin(iGlobalTime * 2)) * 0.14;
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diffuse = vec3(1.0, 0, 0);
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return 1.0;
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}
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