更真实的3D方块

Zframework/light/lightRender.glsl

@@ -4,9 +4,9 @@ extern float xresolution;
 float samp(vec2 coord,float r,Image u_texture){
 	return step(r,Texel(u_texture,coord).r);
 }
-vec4 effect(vec4 color,Image texture,vec2 texture_coords,vec2 screen_coords){
+vec4 effect(vec4 color,Image tex,vec2 tex_coords,vec2 screen_coords){
 	// Cartesian to polar, y of 1D sample is always 0
-	vec2 norm=texture_coords.st*2.-1.;
+	vec2 norm=tex_coords.st*2.-1.;
 	vec2 tc=vec2((atan(norm.y,norm.x)+PI)/(2.*PI),0.);
 	float r=length(norm);
 
@@ -15,14 +15,14 @@ vec4 effect(vec4 color,Image texture,vec2 texture_coords,vec2 screen_coords){
 
 	// Simple Gaussian blur
 	float sum=// Brightness(0~1)
-		samp(vec2(tc.x-3.*blur,tc.y),r,texture)*0.1
-		+samp(vec2(tc.x-2.*blur,tc.y),r,texture)*0.13
-		+samp(vec2(tc.x-1.*blur,tc.y),r,texture)*0.17
+		samp(vec2(tc.x-3.*blur,tc.y),r,tex)*0.1
+		+samp(vec2(tc.x-2.*blur,tc.y),r,tex)*0.13
+		+samp(vec2(tc.x-1.*blur,tc.y),r,tex)*0.17
 
-		+samp(tc,r,texture)*0.2// The center tex coord, which gives us hard shadows.
-		+samp(vec2(tc.x+1.*blur,tc.y),r,texture)*0.17
-		+samp(vec2(tc.x+2.*blur,tc.y),r,texture)*0.13
-		+samp(vec2(tc.x+3.*blur,tc.y),r,texture)*0.1;
+		+samp(tc,r,tex)*0.2// The center tex coord, which gives us hard shadows.
+		+samp(vec2(tc.x+1.*blur,tc.y),r,tex)*0.17
+		+samp(vec2(tc.x+2.*blur,tc.y),r,tex)*0.13
+		+samp(vec2(tc.x+3.*blur,tc.y),r,tex)*0.1;
 
 	// Multiply the distance to get a soft fading
 	return vec4(vec3(1.),sum*smoothstep(1.,0.,r));

Zframework/light/shadowMap.glsl

@@ -1,17 +1,17 @@
 #define PI 3.14
 extern float yresolution;
-vec4 effect(vec4 color,Image texture,vec2 texture_coords,vec2 screen_coords){
+vec4 effect(vec4 color,Image tex,vec2 tex_coords,vec2 screen_coords){
 	// Iterate through the occluder map's y-axis.
 	for(float y=0.;y<yresolution;y++){
 		// Cartesian to polar
 		// y/yresolution=distance to light source(0~1)
-		vec2 norm=vec2(texture_coords.s,y/yresolution)*2.-1.;
+		vec2 norm=vec2(tex_coords.s,y/yresolution)*2.-1.;
 		float theta=PI*1.5+norm.x*PI;
 		float r=(1.+norm.y)*0.5;
 
 		//sample from solid
 		if(
-			Texel(texture,(
+			Texel(tex,(
 				vec2(-r*sin(theta),-r*cos(theta))*0.5+0.5// Coord of solid sampling
 			)).a>0.1
 		)return vec4(vec3(y/yresolution),1.);// Collision check, alpha>0.1 means transparent