From 12829892b262a0c7fcccba9198e5b6b31b2a8015 Mon Sep 17 00:00:00 2001
From: Loic Guegan <manzerbredes@mailbox.org>
Date: Thu, 9 Jul 2020 13:02:31 +0200
Subject: Cleaning code

---
 resources/shaders/main.glsl | 93 ---------------------------------------------
 1 file changed, 93 deletions(-)
 delete mode 100644 resources/shaders/main.glsl

(limited to 'resources/shaders/main.glsl')

diff --git a/resources/shaders/main.glsl b/resources/shaders/main.glsl
deleted file mode 100644
index 2888d56..0000000
--- a/resources/shaders/main.glsl
+++ /dev/null
@@ -1,93 +0,0 @@
-// ----- Vertex Shader -----
-#version 330 core
-
-layout(location = 0) in vec3 position;
-uniform mat4 projection;
-uniform mat4 model;
-
-void main(){
-  gl_Position =  projection * model * vec4(position,1);
-}
-
-// ----- Fragment Shader -----
-
-#version 330 core
-
-uniform vec2 resolution;
-uniform float time;
-
-out vec3 color;
-
-
-#define MAX_STEPS 100
-#define MAX_DIST 100.
-#define SURF_DIST .01
-
-float GetDist(vec3 p) {
-	vec4 s = vec4(0, 1, 6, 1);
-    
-    float sphereDist =  length(p-s.xyz)-s.w;
-    float planeDist = p.y;
-    
-    float d = min(sphereDist, planeDist);
-    return d;
-}
-
-float RayMarch(vec3 ro, vec3 rd) {
-	float dO=0.;
-    
-    for(int i=0; i<MAX_STEPS; i++) {
-    	vec3 p = ro + rd*dO;
-        float dS = GetDist(p);
-        dO += dS;
-        if(dO>MAX_DIST || dS<SURF_DIST) break;
-    }
-    
-    return dO;
-}
-
-vec3 GetNormal(vec3 p) {
-	float d = GetDist(p);
-    vec2 e = vec2(.01, 0);
-    
-    vec3 n = d - vec3(
-        GetDist(p-e.xyy),
-        GetDist(p-e.yxy),
-        GetDist(p-e.yyx));
-    
-    return normalize(n);
-}
-
-float GetLight(vec3 p) {
-    vec3 lightPos = vec3(0, 5, 6);
-    lightPos.xz += vec2(sin(time), cos(time))*2.;
-    vec3 l = normalize(lightPos-p);
-    vec3 n = GetNormal(p);
-    
-    float dif = clamp(dot(n, l), 0., 1.);
-    float d = RayMarch(p+n*SURF_DIST*2., l);
-    if(d<length(lightPos-p)) dif *= .1;
-    
-    return dif;
-}
-
-void main()
-{
-    vec2 uv = (gl_FragCoord.xy-.5*resolution.xy)/resolution.y;
-
-    vec3 col = vec3(0);
-    
-    vec3 ro = vec3(0, 1, 0);
-    vec3 rd = normalize(vec3(uv.x, uv.y, 1));
-
-    float d = RayMarch(ro, rd);
-    
-    vec3 p = ro + rd * d;
-    
-    float dif = GetLight(p);
-    col = vec3(dif);
-    
-    col = pow(col, vec3(.4545));	// gamma correction
-    
-    color = col;
-}
-- 
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