stitchy/shader-web-test
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chore: reformat

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stitchy 2024-12-18 08:32:49 +00:00
parent 5b6d03e1c8
commit 39f9437838
Signed by: stitchy
SSH key fingerprint: SHA256:yz2SoxdnY67tfY5Jzb0f2v8f5W3o/IF359kbcquWip8
2 changed files with 28 additions and 36 deletions
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57
raymarcher.glsl
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@ -25,47 +25,42 @@ const vec3 color2 = vec3(0.827, 0.945, 0.875);
// returns the distance from the ray to this sphere in the scene
float sphere_render(vec3 ray_pos, float radius, vec3 sphere_pos) {
return distance(ray_pos, sphere_pos) - radius;
return distance(ray_pos, sphere_pos) - radius;
}
float remap11(float val ) {
return ((val - .5) * 2.);
float remap11(float val) {
return ((val - .5) * 2.);
}
void main() {
// Set up camera and sphere object
vec3 ray_dir = normalize(vec3( remap11(texture_coordinates.x) , remap11(texture_coordinates.y), 1.));
vec3 ray_pos = camera_pos;
const vec3 sphere_pos = vec3(0.,0.,3.);
const float rad = 1.;
// Set up camera and sphere object
vec3 ray_dir = normalize(vec3(remap11(texture_coordinates.x), remap11(texture_coordinates.y), 1.));
vec3 ray_pos = camera_pos;
const vec3 sphere_pos = vec3(0., 0., 3.);
const float rad = 1.;
for(int i = 0; i < MAX_ITERATIONS; i++) {
for (int i = 0; i < MAX_ITERATIONS; i++) {
float distance = sphere_render(ray_pos, rad, sphere_pos);
float distance = sphere_render(ray_pos, rad, sphere_pos);
// Check If within tolerances
if (distance < MIN_TOLERANCE) {
break;
}
// Check If within tolerances
if( distance < MIN_TOLERANCE) {
break;
ray_pos += (distance * ray_dir);
color = vec4(mix(color1, color2, float(i) / float(MAX_ITERATIONS)), 1.);
}
ray_pos += (distance * ray_dir);
color = vec4(mix(color1, color2, float(i) / float(MAX_ITERATIONS)),1.);
}
// Image stuff for later
/*
if ((texture_coordinates.x + texture_coordinates.y) > 1.) {
color = texture(uSampler1, texture_coordinates);
}
else {
color = texture(uSampler2, texture_coordinates);
}*/
// Image stuff for later
/*
if ((texture_coordinates.x + texture_coordinates.y) > 1.) {
color = texture(uSampler1, texture_coordinates);
}
else {
color = texture(uSampler2, texture_coordinates);
}*/
// Basic color time shift
// color = vec4( texture_coordinates, (sin( time * PI) + 1.)/2. , 1.);
// Basic color time shift
// color = vec4( texture_coordinates, (sin( time * PI) + 1.)/2. , 1.);
}

7
vert.glsl
View file

@ -4,10 +4,7 @@ precision highp float;
in vec2 vertex_position;
out vec2 texture_coordinates;
void main() {
gl_Position = vec4( vertex_position, 0.5, 1.0 );
texture_coordinates = vec2( (vertex_position + vec2(1.0) ) / 2.0 );
gl_Position = vec4(vertex_position, 0.5, 1.0);
texture_coordinates = vec2((vertex_position + vec2(1.0)) / 2.0);
}