Unity camera position shader, But not how you’re thinking about it

Unity camera position shader, shader projects a texture onto existing scene geometry by reading _CameraDepthTexture and reconstructing the world-space position of the underlying surface at each fragment. " 2 days ago · It covers the 2D SDF scene definition, the traceShadows ray marching algorithm, the included SDF utility library, and how the fragment shader composes geometry and light contributions. Key shader-level Shader Graph nodes The following tables show the current support status for Shader Graph nodes in PolySpatial for visionOS including a list of supported nodes and their various caveats. The decal object is an axis-aligned box; any geometry inside the box volume receives the projected texture as a transparent overlay. More info See in Glossary: things like current object’s transformation matrices, light parameters, current time and so on. viewDirection: the vector from the camera (transformed to object space) to the vertex — used as the ray direction (normalized in 2 days ago · The tag "DisableBatching"="True" is required because batching combines objects into a shared mesh, which invalidates the per-object unity_WorldToObject matrix used to convert the camera position. A camera’s position needs to be determined before rendering, so a shader can’t determine the position of the camera that’s rendering it. The vertex shader computes two interpolated values passed to the fragment shader: localPosition: the mesh vertex position in object space — used as the ray origin. The key steps are: Compute clip-space position in the vertex shader. Moving the camera moves the texture relative to the surface; rotating or moving the mesh alone does not.


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