- renormalize normals on scaled models

madame-rachelle · madame-rachelle · commit ac58779e282f · 2025-02-27T13:08:20.000-05:00
diff --git a/wadsrc/static/shaders/glsl/main.vp b/wadsrc/static/shaders/glsl/main.vp
@@ -94,8 +94,8 @@ void main()
 			ClipDistance4 = worldcoord.y - ((uSplitBottomPlane.w + uSplitBottomPlane.x * worldcoord.x + uSplitBottomPlane.y * worldcoord.z) * uSplitBottomPlane.z);
 		}
 
-		vWorldNormal = NormalModelMatrix * vec4(normalize(bones.Normal), 1.0);
-		vEyeNormal = NormalViewMatrix * vec4(normalize(vWorldNormal.xyz), 1.0);
+		vWorldNormal = vec4(normalize((NormalModelMatrix * vec4(normalize(bones.Normal), 1.0)).xyz), 1.0);
+		vEyeNormal = vec4(normalize((NormalViewMatrix * vec4(normalize(vWorldNormal.xyz), 1.0)).xyz), 1.0);
 	#endif
 
 	#ifdef SPHEREMAP

Original file line number	Diff line number	Diff line change
`@@ -94,8 +94,8 @@ void main()`
`94`	`94`	`ClipDistance4 = worldcoord.y - ((uSplitBottomPlane.w + uSplitBottomPlane.x * worldcoord.x + uSplitBottomPlane.y * worldcoord.z) * uSplitBottomPlane.z);`
`95`	`95`	`}`
`96`	`96`
`97`		`- vWorldNormal = NormalModelMatrix * vec4(normalize(bones.Normal), 1.0);`
`98`		`- vEyeNormal = NormalViewMatrix * vec4(normalize(vWorldNormal.xyz), 1.0);`
	`97`	`+ vWorldNormal = vec4(normalize((NormalModelMatrix * vec4(normalize(bones.Normal), 1.0)).xyz), 1.0);`
	`98`	`+ vEyeNormal = vec4(normalize((NormalViewMatrix * vec4(normalize(vWorldNormal.xyz), 1.0)).xyz), 1.0);`
`99`	`99`	`#endif`
`100`	`100`
`101`	`101`	`#ifdef SPHEREMAP`