init commit

2025-06-11 22:45:11 +08:00
commit 71307f3e53
115 changed files with 13922 additions and 0 deletions
@@ -0,0 +1,38 @@
+
+shader 
+phong_shader(
+	point v_position = vector(0,0,0),
+	vector v_normal = vector(0,1,0),
+	vector v_toCamera = vector(0,0,0),
+	vector v_toLight = vector(0,0,0),
+	output color resultRGB = 0
+)
+{
+	vector vL = normalize(v_toLight);
+	vector vV = normalize(v_toCamera);
+	vector vN = normalize(v_normal);
+	vector vR = 2 * dot(vL, vN)*vN - vL;
+	vector vH = normalize(vL + vV);
+	
+	color u_ambientColor;
+	getattribute("env:ambient_color", u_ambientColor);
+	
+	color u_matColor;
+	getattribute("self:mat_color", u_matColor);
+	
+	color u_lightColor;
+	getattribute("light0:color", u_lightColor);
+
+	color colAmbient = u_ambientColor*u_matColor;
+
+	float ndotl = max(dot(vN, vL), 0);
+	color colDiff = ndotl * u_matColor * u_lightColor;
+
+	float spec = max(dot(vN, vH), 0);
+	color colSpec = step(0, ndotl) * pow(spec, 64) * u_matColor * u_lightColor;
+	
+	color final = colAmbient + colDiff + colSpec;
+
+	//gamma
+	resultRGB = pow(final, vector(1.0/2.2));
+}