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#version 450
layout(location = 0) in vec3 fragColor;
layout(location = 1) in vec2 fragTexCoord;
layout(location = 0) out vec4 outColor;
layout(binding = 1) uniform sampler2D texSampler;
layout(binding = 0) uniform UniformBufferObject {
mat4 model;
mat4 view;
mat4 proj;
vec2 resolution;
float time;
float dt;
} ubo;
// void main() {
// // float pulse = sin(ubo.time * .2) * .5 + .5;
// // outColor = vec4(fragColor * texture(texSampler, fragTexCoord).rgb * pulse, 1.0);
// //outColor = texture(texSampler, fragTexCoord);
// outColor = vec4(fragColor, 1);
// // float repeat = 10;
// // float f = mod(ubo.time, repeat);
// // if (f < repeat / 2) {
// // outColor = vec4(fragColor * radians(f) ,1);
// // } else {
// // outColor = vec4(fragColor * radians(1 - f) ,1);
// // }
// // //outColor = (vec4(1) * ubo.model + vec4(1)) * vec4(texture(texSampler, fragTexCoord).rgb * fragColor, 1.0);
// }
float noise(vec2 p) {
return fract(sin(dot(p, vec2(12.9898, 78.233))) * 43758.5453);
}
float smoothNoise(vec2 p) {
vec2 i = floor(p);
vec2 f = fract(p);
vec2 u = f * f * (3.0 - 2.0 * f);
return mix(mix(noise(i + vec2(0.0, 0.0)), noise(i + vec2(1.0, 0.0)), u.x),
mix(noise(i + vec2(0.0, 1.0)), noise(i + vec2(1.0, 1.0)), u.x), u.y);
}
float fbm(vec2 p) {
float value = 0.0;
float amplitude = 0.5;
for (int i = 0; i < 6; i++) {
value += amplitude * smoothNoise(p);
p *= 2.0;
amplitude *= 0.5;
}
return value;
}
void main() {
vec2 uv = gl_FragCoord.xy / ubo.resolution.xy;
vec2 p = uv * 2.0 - vec2(1.0);
float n = fbm(p * 5.0 - vec2(0.0, ubo.time * 2.0));
outColor = vec4(n, n * 0.5, 0.0, 1.0) * vec4(texture(texSampler, fragTexCoord).rgb, 1.0);
}
// void main() {
// // Calculate a pulsating factor based on sine wave
// float pulse = sin(ubo.time * 2.0) * 0.5 + 0.5;
// // Set the color using the pulse factor
// outColor = vec4(pulse, 0.0, 1.0 - pulse, .5);
// }
// void main() {
// vec2 uv = gl_FragCoord.xy / ubo.resolution;
// vec2 center = uv - 0.5;
// float angle = ubo.time;
// float cosA = cos(angle);
// float sinA = sin(angle);
// vec2 rotated = vec2(
// center.x * cosA - center.y * sinA,
// center.x * sinA + center.y * cosA
// );
// float pattern = step(0.5, mod(rotated.x * 10.0, 1.0)) * step(0.5, mod(rotated.y * 10.0, 1.0));
// outColor = vec4(vec3(pattern), 1.0);
// }
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