stitchy/shader-web-test
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

fix(perf): assign color once per pixel

Browse source
This commit is contained in:
stitchy 2024-12-26 00:59:14 +00:00
parent b5df780b75
commit 367153bbf6
Signed by: stitchy
SSH key fingerprint: SHA256:yz2SoxdnY67tfY5Jzb0f2v8f5W3o/IF359kbcquWip8
1 changed files with 4 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
raymarcher.glsl
View file

@ -33,6 +33,7 @@ float remap11(float val) {
return ((val - .5) * 2.); return ((val - .5) * 2.);
} }
// returns a vec3 of the vector transformed by the matrix
vec3 mat3_vec_mul(vec3 m[3], vec3 v) { vec3 mat3_vec_mul(vec3 m[3], vec3 v) {
return v.x * m[0] + v.y * m[1] + v.z * m[2]; return v.x * m[0] + v.y * m[1] + v.z * m[2];
} }
@ -46,7 +47,8 @@ void main() {
const vec3 sphere_pos = vec3(0., 0., 3.); const vec3 sphere_pos = vec3(0., 0., 3.);
const float rad = 1.; const float rad = 1.;
for (int i = 0; i < MAX_ITERATIONS; i++) { int i = 0;
for (; 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 // Check If within tolerances
@ -55,8 +57,8 @@ void main() {
} }
ray_pos += (distance * ray_dir); ray_pos += (distance * ray_dir);
color = vec4(mix(color1, color2, float(i) / float(MAX_ITERATIONS)), 1.);
} }
color = vec4(mix(color1, color2, float(i) / float(MAX_ITERATIONS)), 1.);
// Image stuff for later // Image stuff for later
/* /*