REVIEWED: EXAMPLE: shaders_shapes_outline

Removed unneeded resources to use raylib ones.

4 files changed, 18 insertions, 21 deletions

diff --git a/examples/shaders/resources/LICENSE.md b/examples/shaders/resources/LICENSE.md
index b08a555a..96458eca 100644
--- a/examples/shaders/resources/LICENSE.md
+++ b/examples/shaders/resources/LICENSE.md
@@ -9,5 +9,3 @@
 | raysan.png         | [@raysan5](https://github.com/raysan5)      | [CC0](https://creativecommons.org/publicdomain/zero/1.0/)   | - |
 | space.png          | ❔             | ❔       | - |
 | texel_checker.png  | [@raysan5](https://github.com/raysan5)      | [CC0](https://creativecommons.org/publicdomain/zero/1.0/)   | Made with [UV Checker Map Maker](http://uvchecker.byvalle.com/) |
-| egg.png            | [@GoldenThumbs](https://github.com/GoldenThumbs) |
-| torus.png          | [@GoldenThumbs](https://github.com/GoldenThumbs) |
diff --git a/examples/shaders/resources/egg.png b/examples/shaders/resources/egg.png
deleted file mode 100644
index c8524952..00000000
--- a/examples/shaders/resources/egg.png
+++ /dev/null
diff --git a/examples/shaders/resources/shaders/glsl330/outline.fs b/examples/shaders/resources/shaders/glsl330/outline.fs
index c1be1b5d..804a1a59 100644
--- a/examples/shaders/resources/shaders/glsl330/outline.fs
+++ b/examples/shaders/resources/shaders/glsl330/outline.fs
@@ -7,30 +7,29 @@ in vec4 fragColor;
 // Input uniform values
 uniform sampler2D texture0;
 uniform vec4 colDiffuse;
-uniform vec2 texScale;
+
+uniform vec2 textureSize;
+uniform float outlineSize;
+uniform vec4 outlineColor;
 
 // Output fragment color
 out vec4 finalColor;
 
-// Function for drawing outlines on alpha-blended textures
-vec4 DrawOutline(sampler2D tex, vec2 uv, vec2 lineScale, vec3 lineCol)
+void main()
 {
-	vec2 texelScale = 1.0 / lineScale;
-	vec4 center = texture(tex, uv); // We sample the center texel, (with all color data)
-	// Next we sample four corner texels, but only for the alpha channel (this is for the outline)
-	vec4 corners;
-	corners.x = texture(tex, uv+vec2( texelScale.x, texelScale.y)).a;
-	corners.y = texture(tex, uv+vec2( texelScale.x,-texelScale.y)).a;
-	corners.z = texture(tex, uv+vec2(-texelScale.x, texelScale.y)).a;
-	corners.w = texture(tex, uv+vec2(-texelScale.x,-texelScale.y)).a;
+	vec4 texel = texture(texture0, fragTexCoord);   // Get texel color
+	vec2 texelScale = vec2(0.0);
+    texelScale.x = outlineSize/textureSize.x;
+    texelScale.y = outlineSize/textureSize.y;
+
+	// We sample four corner texels, but only for the alpha channel (this is for the outline)
+	vec4 corners = vec4(0.0);
+	corners.x = texture(texture0, fragTexCoord + vec2(texelScale.x, texelScale.y)).a;
+	corners.y = texture(texture0, fragTexCoord + vec2(texelScale.x, -texelScale.y)).a;
+	corners.z = texture(texture0, fragTexCoord + vec2(-texelScale.x, texelScale.y)).a;
+	corners.w = texture(texture0, fragTexCoord + vec2(-texelScale.x, -texelScale.y)).a;
 	
 	float outline = min(dot(corners, vec4(1.0)), 1.0);
-	vec4 col = mix(vec4(0.0), vec4(lineCol, 1.0), outline);
-	col = mix(col, center, center.a);
-	return col;
-}
-
-void main()
-{
-	finalColor = DrawOutline(texture0, fragTexCoord, texScale, vec3(0.0));
+	vec4 color = mix(vec4(0.0), outlineColor, outline);
+	finalColor = mix(color, texel, texel.a);
 }
\ No newline at end of file
diff --git a/examples/shaders/resources/torus.png b/examples/shaders/resources/torus.png
deleted file mode 100644
index 399d7825..00000000
--- a/examples/shaders/resources/torus.png
+++ /dev/null