diff --git a/Zframework/light/init.lua b/Zframework/light/init.lua
index b8aabee3..0e613e91 100644
--- a/Zframework/light/init.lua
+++ b/Zframework/light/init.lua
@@ -22,7 +22,7 @@ local function destroy(L)
 end
 local function draw(L)
 	--Initialization
-	local r,g,b,a=love.graphics.getColor()
+	local r,g,b,a=gc.getColor()
 	setCanvas(L.blackCanvas)clear()
 	setCanvas(L.shadowCanvas)clear()
 	setCanvas(L.renderCanvas)clear()
@@ -62,7 +62,7 @@ end
 local LIGHT={}
 function LIGHT.draw()
 	for i=1,#Lights do
-		Lights[i]:draw()
+		draw(Lights[i])
 	end
 end
 function LIGHT.clear()
@@ -71,19 +71,18 @@ function LIGHT.clear()
 		Lights[i]=nil
 	end
 end
-function LIGHT.add(x,y,R,F)
+function LIGHT.add(x,y,radius,solidFunc)
 	local id=#Lights+1
 	Lights[id]={
 		id=id,
-		x=x,y=y,size=R,
-		blackCanvas=gc.newCanvas(R,R),--Solid canvas
-		shadowCanvas=gc.newCanvas(R,1),--1D vis-depth canvas
-		renderCanvas=gc.newCanvas(R,R),--Light canvas
-		blackFn=F,--Solid draw funcion
+		x=x,y=y,size=radius,
+		blackCanvas=gc.newCanvas(radius,radius),--Solid canvas
+		shadowCanvas=gc.newCanvas(radius,1),--1D vis-depth canvas
+		renderCanvas=gc.newCanvas(radius,radius),--Light canvas
+		blackFn=solidFunc,--Solid draw funcion
 
 		move=move,
 		setPow=setPow,
-		draw=draw,
 		destroy=destroy,
 	}
 end
diff --git a/Zframework/light/lightRender.glsl b/Zframework/light/lightRender.glsl
index 5eddc563..b63b9a70 100644
--- a/Zframework/light/lightRender.glsl
+++ b/Zframework/light/lightRender.glsl
@@ -1,29 +1,29 @@
 #define PI 3.14159
 extern float xresolution;
-//sample from 1D vis-depth map
+// Sample from 1D vis-depth map
 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){
-	//cartesian to polar, y of 1D sample is always 0
+	// Cartesian to polar, y of 1D sample is always 0
 	vec2 norm=texture_coords.st*2.-1.;
 	vec2 tc=vec2((atan(norm.y,norm.x)+PI)/(2.*PI),0.);
 	float r=length(norm);
 
-	//enlarge blur parameter by distance, light scattering simulation
+	// Enlarge blur parameter by distance, light scattering simulation
 	float blur=(1./xresolution)*smoothstep(0.3,1.,r);
 
-	//Simple Gaussian blur
-	float sum=//brightness(0~1)
+	// 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(tc,r,texture)*0.2//The center tex coord,which gives us hard shadows.
+		+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;
 
-	//Multiply the distance to get a soft fading
+	// Multiply the distance to get a soft fading
 	return vec4(vec3(1.),sum*smoothstep(1.,0.,r));
 }
\ No newline at end of file
diff --git a/Zframework/light/shadowMap.glsl b/Zframework/light/shadowMap.glsl
index 8150a6d3..527b89ba 100644
--- a/Zframework/light/shadowMap.glsl
+++ b/Zframework/light/shadowMap.glsl
@@ -1,9 +1,9 @@
 #define PI 3.14
 extern float yresolution;
 vec4 effect(vec4 color,Image texture,vec2 texture_coords,vec2 screen_coords){
-	//Iterate through the occluder map's y-axis.
+	// Iterate through the occluder map's y-axis.
 	for(float y=0.;y<yresolution;y++){
-		//cartesian to polar
+		// Cartesian to polar
 		// y/yresolution=distance to light source(0~1)
 		vec2 norm=vec2(texture_coords.s,y/yresolution)*2.-1.;
 		float theta=PI*1.5+norm.x*PI;
@@ -12,10 +12,9 @@ vec4 effect(vec4 color,Image texture,vec2 texture_coords,vec2 screen_coords){
 		//sample from solid
 		if(
 			Texel(texture,(
-				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
+				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
 	}
-	return vec4(1.,1.,1.,1.);//return max distance 1
+	return vec4(1.);// Return max distance 1
 }
\ No newline at end of file