CharStiles

// http://www.iquilezles.org/www/articles/palettes/palettes.htm 
// to see this function graphed out go to: https://www.desmos.com/calculator/18rq4ybrru
vec3 cosPalette( float t , vec3 brightness, vec3 contrast, vec3 osc, vec3 phase)
{

    return brightness + contrast*cos( 6.28318*(osc*t+phase) );
}

vec3 hsb2rgb(vec3 c)
{

CharStiles

#ifdef GL_ES
precision mediump float;
#endif

uniform vec2 u_resolution;
uniform float u_time;
uniform float u_vol;

// i copied and pasted these functions from the sticker sheet

CharStiles

#ifdef GL_ES
precision mediump float;
#endif

uniform vec2 u_resolution;
uniform float u_time;
uniform float u_vol;
// http://www.iquilezles.org/www/articles/palettes/palettes.htm 
// to see this function graphed out go to: https://www.desmos.com/calculator/rz7abjujdj

CharStiles

#ifdef GL_ES
precision mediump float;
#endif

uniform vec2 u_resolution;
uniform float u_time;
uniform float u_vol;

void main() {

CharStiles

#ifdef GL_ES
precision mediump float;
#endif

uniform vec2 u_resolution;
uniform float u_time;
uniform float u_vol;

#define PI 3.14

CharStiles

// http://www.iquilezles.org/www/articles/palettes/palettes.htm 
// to see this function graphed out go to: https://www.desmos.com/calculator/18rq4ybrru
vec3 cosPalette( float t , vec3 brightness, vec3 contrast, vec3 osc, vec3 phase)
{

    return brightness + contrast*cos( 6.28318*(osc*t+phase) );
}

// Repeat around the origin by a fixed angle.
// For easier use, num of repetitions is use to specify the angle.

CharStiles

// http://www.iquilezles.org/www/articles/palettes/palettes.htm 
// to see this function graphed out go to: https://www.desmos.com/calculator/rz7abjujdj
vec3 cosPalette( float t , vec3 brightness, vec3 contrast, vec3 osc, vec3 phase)
{

    return brightness + contrast*cos( 6.28318*(osc*t+phase) );
}

void main() {
    

CharStiles

// Tips for converting GLSL functions to Unity functions
// vec turn into float (usually massive comand all replace works)
// fract -> frac
// mod -> modf
// time, iTime, u_Time -> _Time.y


float3 hsv2rgb(float3 c) {
    c = float3(c.x, clamp(c.yz, 0.0, 1.0));
    float4 K = float4(1.0, 2.0 / 3.0, 1.0 / 3.0, 3.0);

CharStiles

void main() {

    vec2 pos = ((gl_FragCoord.xy/resolution) - 0.5)*2.0; // origin is in center
    // who remembers SOH CAH TOA ?
    // tan, given an angle will return the ratio
    // so if we only have the ratio of position
    // we use atan to get the angle
    float angle = atan(pos.y,pos.x);

    float r = sin(angle + time); 

CharStiles

// http://www.iquilezles.org/www/articles/palettes/palettes.htm 
// to see this function graphed out go to: https://www.desmos.com/calculator/rz7abjujdj
vec3 cosPalette( float t , vec3 brightness, vec3 contrast, vec3 osc, vec3 phase)
{

    return brightness + contrast*cos( 6.28318*(osc*t+phase) );
}

void main() {