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Update to turbulence PostFX to improve the visual effect of being underwater.

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This commit is contained in:
cpusci 2013-07-30 07:17:53 -05:00
parent c75d6feb20
commit 8476242bdf
4 changed files with 38 additions and 38 deletions
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22
Templates/Empty/game/shaders/common/postFx/turbulenceP.hlsl
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@ -26,20 +26,10 @@ uniform float accumTime;
float4 main( PFXVertToPix IN, uniform sampler2D inputTex : register(S0) ) : COLOR
{
float reduction = 128;
float power = 1.0;
float speed = 3.0;
float frequency=8;
float speed = 2.0;
float distortion = 6.0;
float backbuffer_edge_coef=0.98;
float2 screen_center = float2(0.5, 0.5);
float2 cPos = (IN.uv0 - screen_center);
float len = 1.0 - length(cPos);
float2 uv = clamp((cPos / len * cos(len * frequency - (accumTime * speed)) * (power / reduction)), 0, 1);
return tex2D(inputTex, IN.uv0 * backbuffer_edge_coef + uv);
// float4 color = tex2D(inputTex, IN.uv0 * backbuffer_edge_coef+(sin*right));
// return color;
}
float y = IN.uv0.y + (cos(IN.uv0.y * distortion + accumTime * speed) * 0.01);
float x = IN.uv0.x + (sin(IN.uv0.x * distortion + accumTime * speed) * 0.01);
return tex2D (inputTex, float2(x, y));
}