Small style adjustments to circular shadows example;

examples/Lighting/Circular_Shadows/main.lua

@@ -1,13 +1,11 @@
 function lovr.load()
-
 	-- shadow shader
 	shadowVertex = [[
 		out vec3 fragPos;
 
-		vec4 position(mat4 projection, mat4 transform, vec4 vertex) 
-		{ 
+		vec4 position(mat4 projection, mat4 transform, vec4 vertex) {
 			fragPos = vec3(lovrModel * vertex);
-			return projection * transform * vertex; 
+			return projection * transform * vertex;
 		}
 	]]
 	shadowFragment = [[
@@ -16,13 +14,12 @@ function lovr.load()
 		uniform vec4 right;
 		uniform vec4 head;
 
-		vec4 color(vec4 graphicsColor, sampler2D image, vec2 uv) 
-		{
+		vec4 color(vec4 graphicsColor, sampler2D image, vec2 uv) {
 			vec4 shadowColor;
 			if (                                       // w is radius
-				(   length( left.xz - fragPos.xz) <  left.w   &&    left.y > fragPos.y   ) ||
-				(   length(right.xz - fragPos.xz) < right.w   &&   right.y > fragPos.y   ) ||
-				(   length( head.xz - fragPos.xz) <  head.w   &&    head.y > fragPos.y   )
+				(length( left.xz - fragPos.xz) <  left.w   &&    left.y > fragPos.y) ||
+				(length(right.xz - fragPos.xz) < right.w   &&   right.y > fragPos.y) ||
+				(length( head.xz - fragPos.xz) <  head.w   &&    head.y > fragPos.y)
 			) {
 				shadowColor = vec4(.25, .625, 1, 1);
 			} else {
@@ -34,24 +31,24 @@ function lovr.load()
 	shadowShader = lovr.graphics.newShader(shadowVertex, shadowFragment)
 
 	-- grass texture
-	grasstexturewidth = 256
-	grassimage = lovr.data.newImage(grasstexturewidth, grasstexturewidth)
-	for x=0,grasstexturewidth-1 do
-		for y=0,grasstexturewidth-1 do
-			grassimage:setPixel(x, y, 
-				lovr.math.noise(x+.5, y+.5 +  0) / 2,
-				lovr.math.noise(x+.5, y+.5 + 16) / 2 + .5,
-				lovr.math.noise(x+.5, y+.5 + 32) / 2
+	grassTextureWidth = 256
+	grassImage = lovr.data.newImage(grassTextureWidth, grassTextureWidth)
+	for x = 0, grassTextureWidth - 1 do
+		for y = 0, grassTextureWidth - 1 do
+			grassImage:setPixel(x, y,
+				lovr.math.noise(x + .5, y + .5 +  0) / 2,
+				lovr.math.noise(x + .5, y + .5 + 16) / 2 + .5,
+				lovr.math.noise(x + .5, y + .5 + 32) / 2
 			)
 		end
 	end
-	grasstexture = lovr.graphics.newTexture(grassimage)
-	grasstexture:setFilter('nearest')
-	grassmaterial = lovr.graphics.newMaterial(grasstexture)
+	grassTexture = lovr.graphics.newTexture(grassImage)
+	grassTexture:setFilter('nearest')
+	grassMaterial = lovr.graphics.newMaterial(grassTexture)
 
 	-- boxes
 	boxes = {}
-	for i=1,5 do
+	for i = 1, 5 do
 		table.insert(boxes, {
 			x      = lovr.math.random() / 2,
 			y      = lovr.math.random() / 2 + .5,
@@ -64,13 +61,9 @@ function lovr.load()
 			b      = lovr.math.random()
 		})
 	end
-
 end
 
-
-
 function lovr.update()
-
 	left = vec3(lovr.headset.getPosition('left'))
 	right = vec3(lovr.headset.getPosition('right'))
 	head = vec3(mat4(lovr.headset.getPose('head')):translate(0, -.1, -.1))
@@ -78,25 +71,21 @@ function lovr.update()
 	shadowShader:send('left',  { left.x,  left.y,  left.z, .05}) -- x, y, z, radius
 	shadowShader:send('right', {right.x, right.y, right.z, .05})
 	shadowShader:send('head',  { head.x,  head.y,  head.z, .1 })
-
 end
 
-
-
 function lovr.draw()
-
 	-- sky
 	lovr.graphics.setBackgroundColor(0,.5,1)
 
 	-- grass
 	lovr.graphics.setColor(1, 1, 1)
 	lovr.graphics.setShader(shadowShader)
-	lovr.graphics.box(grassmaterial, 0, 0, 0, 10, 1, 10)
+	lovr.graphics.box(grassMaterial, 0, 0, 0, 10, 1, 10)
 	lovr.graphics.setShader()
 
 	-- boxes
 	lovr.graphics.setShader(shadowShader)
-	for _,box in pairs(boxes) do
+	for _, box in pairs(boxes) do
 		lovr.graphics.setColor(box.r, box.g, box.b)
 		lovr.graphics.box('fill', box.x, box.y, box.z, box.width, box.height, box.depth)
 	end
@@ -106,5 +95,4 @@ function lovr.draw()
 	lovr.graphics.setColor(.9, .7, .1)
 	lovr.graphics.sphere(vec3(lovr.headset.getPosition('left')), .05)
 	lovr.graphics.sphere(vec3(lovr.headset.getPosition('right')), .05)
-
-end
+end