displacement.sca

//==============================================================================
// Simple Displacement Shader
// make sure to add 'Vertex Texture Fetch' to Capabilities
//==============================================================================

void main(optional<std::Texture2d> displace, optional<std::Texture2d> tex, float depth, out vec4 Color, out vec4 Position) {
  vec2 uv = std::getVertexTexCoord();
  vec4 texturePos = displace.sampleLod(uv, 0.0).valueOr(vec4(1.0));
  vec4 outPosition = std::getVertexPosition() + vec4(std::getVertexNormal()*texturePos.rgb*depth, 0.0);
  Color = tex.sampleLod(fragment(uv), 0.0).valueOr(vec4(1.0));
  Position = std::getModelViewProjectionMatrix() * outPosition;
}