The Heat Distortion effect uses a flow map to distort the camera texture, simulating a heat haze effect.

This effect can be used together with the custom _CameraTransparentTexture included in Shader Toolbox for URP. See the section above for setup tips.

Parameters

Heat Distortion Parameters

• Heat Origin Point - World space point where the heat emanates from.
• Heat Falloff - How quickly the heat falls off as you get further from the origin.
• Distortion Map - Flow map which controls how the heat haze distorts the image.
• Distortion Strength - How far the distortion map pushes away each pixel in the camera texture.
• Distortion Velocity - How quickly the distortion map scrolls across the screen.
• Distortion Tiling - How many times the distortion map is scaled.
• Camera Texture Mode - Should the shader sample the _CameraOpaqueTexture (default) or _CameraTransparentTexture?