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Diffstat (limited to 'Studio/Content/Effect Library/Distortion Sphere.effect')
| -rw-r--r-- | Studio/Content/Effect Library/Distortion Sphere.effect | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/Studio/Content/Effect Library/Distortion Sphere.effect b/Studio/Content/Effect Library/Distortion Sphere.effect new file mode 100644 index 0000000..3ed1e70 --- /dev/null +++ b/Studio/Content/Effect Library/Distortion Sphere.effect @@ -0,0 +1,46 @@ +<?xml version="1.0" encoding="UTF-8" ?> +<Effect> + <MetaData> + <!--Distorts the image in a spherical way.--> + <Property name="radius" formalName="Radius" min="0" max="1" default=".3" description="Adjusts the distorted area."/> + <Property name="height" formalName="Height" min="-1" max="1" default=".3" description="Adjusts the distortion amount."/> + <Property name="center" formalName="Center" type="Float2" default="0.5 0.5" description="Adjusts the focus point of the distortion."/> + </MetaData> + <Shaders> + <Shared> +varying vec2 center_vec; + </Shared> + <Shader> + <VertexShader> +void vert () +{ + center_vec = TexCoord - center; + //Multiply by x/y ratio so we see a sphere on the screen + //instead of an ellipse. + center_vec.y *= Texture0Info.y / Texture0Info.x; +} + </VertexShader> + <FragmentShader> +<![CDATA[ +void frag() +{ + float dist_to_center = length(center_vec) / radius;; + + vec2 texc; + if(dist_to_center > 1.0) { + texc = TexCoord; + } else { + float distortion = 1.0 - dist_to_center * dist_to_center; + texc = TexCoord - (TexCoord - center) * distortion * height; + } + + if ( texc.x < 0.0 || texc.x > 1.0 || texc.y < 0.0 || texc.y > 1.0 ) + gl_FragColor = vec4(0.0); + else + colorOutput(texture2D_0(texc)); +} +]]> + </FragmentShader> + </Shader> + </Shaders> +</Effect>
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