Hi guys,
Is it currently possible to animate UV offsets ? I am trying to fake water for mobile and I am thinking of animating the UV offset to fake the ripples.
Animting UV offsets
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[video]https://www.youtube.com/watch?v=maoDVSdKmiQ[/video]
All questions to codingmonkey
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In these dark times i’m just do not knowed about - cUOffset.w and cVOffset.w uniforms ) and that’s why I made custom shader for sea foam : oTexCoord +=vec2(cUVShift)
actually for animate textures you need just create ValueAnimation for these this two uniforms: cUOffset and cVOffset especially for last float - “w” this is scroll
Or you may do little tweak(to animate one common uniform and not two) to the std LitSolid Shader with adding one line:
61 vTexCoord.xy += cUVShift.xy;
and also you need add you custom uniform to Uniforms.glsl
30 uniform vec2 cUVShift;
then just add new uniform to you mat that will be animated
and at last you may now animate this uniform with std stuff - ValueAnimation
[code] Material* seaFoamMaterial = cache->GetResource(“Materials/UL_MAT/MAT_SEAFOAM.xml”);
SharedPtr uvShiftAnimation (new ValueAnimation(context_));
uvShiftAnimation->SetKeyFrame(0.0f, Vector2(0.0f, 0.3f));
uvShiftAnimation->SetKeyFrame(2.0f, Vector2(0.0f, 0.7f));
uvShiftAnimation->SetKeyFrame(3.0f, Vector2(0.0f, 0.5f));
uvShiftAnimation->SetKeyFrame(4.0f, Vector2(0.0f, 0.4f));
uvShiftAnimation->SetKeyFrame(5.0f, Vector2(0.0f, 0.3f));
seaFoamMaterial->SetShaderParameterAnimation("UVOffset",uvShiftAnimation );
seaFoamMaterial->SetScene(Scene);[/code]
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Thanks a lot I will try it out
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Or you can do the whole animation in vertex shader using cElapsedTime uniform to offset UVs.