更真实的3D方块

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