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Diffstat (limited to 'Studio/Content/Effect Library/Distortion Ripple.effect')
| -rw-r--r-- | Studio/Content/Effect Library/Distortion Ripple.effect | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/Studio/Content/Effect Library/Distortion Ripple.effect b/Studio/Content/Effect Library/Distortion Ripple.effect new file mode 100644 index 0000000..0929be1 --- /dev/null +++ b/Studio/Content/Effect Library/Distortion Ripple.effect @@ -0,0 +1,50 @@ +<?xml version="1.0" encoding="UTF-8" ?> +<Effect> + <MetaData> + <!--Distorts the image in a ripple way.--> + <Property name="radius" formalName="Radius" min="0" max="100" default="100.0" description="Adjusts the spread between ripples."/> + <Property name="center" formalName="Center" type="Float2" default="0.5 0.5" description="Adjusts the focus point of the distortion."/> + <Property name="ripples" formalName="Wave Width" min="2" max="100" default="95.0" description="Adjusts the number of ripples."/> + <Property name="height" formalName="Wave Height" min="0" max="100" default="25.0" description="Adjusts the distortion amount."/> + <Property name="phase" formalName="Ripple Phase" default="0.0" description="The offset of each wave. Animate this\nproperty to see the waves move."/> + </MetaData> + <Shaders> + <Shared> +varying vec2 center_vec; +float PI2 = radians(360.0); + </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) * 100.0 / radius;; + + vec2 texc; + if(dist_to_center > 1.0) { + texc = TexCoord; + } else { + float r = PI2 * (1.0 - dist_to_center); + float distortion = sin(r * (100.0-ripples) + radians(phase)); + texc = TexCoord - ( TexCoord - center ) * distortion * height / 800.0; + } + + 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> |