33 lines
1.3 KiB
Plaintext
33 lines
1.3 KiB
Plaintext
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uniform float time;
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uniform vec3 color1;
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uniform vec3 color2;
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varying vec3 vColor;
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const float PI = 3.1415926535897932384626433832795;
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const float goldenAngle = PI * (3.0 - sqrt(5.0));
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void main() {
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// Calculate the normalized distance from center
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float index = float(gl_VertexID);
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float radiuss = sqrt(index) * 5.0;
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float normalizedRadius = radiuss / 200.0; // Adjust this divisor based on your pattern's size
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// Calculate the angle for each point based on its index
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float angle = index * (goldenAngle + time * 0.001);
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if (mod(index,2.0) != 0.0){
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angle *=-1.0;
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}
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// Color changes over time - Adding a slow wave effect based on the distance from center
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float colorTime = time * -2.1; // Slow down the color change over time
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float colorWave = sin(normalizedRadius * PI * 2.0 + colorTime); // Wave based on distance and time
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float colorMixFactor = colorWave * 0.5 + 0.5; // Normalize the wave between 0 and 1
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vColor = mix(color1, color2, colorMixFactor); // Mix the colors based on the computed factor
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// Calculate the animated position
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vec3 animatedPosition = vec3(radiuss * cos(angle), radiuss * sin(angle), 0.0);
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gl_Position = projectionMatrix * modelViewMatrix * vec4(animatedPosition, 1.0);
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gl_PointSize = 10.0;
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}
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