Unity Products:Amplify Shader Editor/Matrix3X3

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Matrix3X3 Node

The Matrix3x3 node generates a 3x3 Matrix variable containing a total of 9 float components. Matrix variables cannot be set as shader properties so, unlike other property nodes like Float or Vector4, their Type can only be set as Constant or Global. These type of data structures are commonly used on different situations like transforming data between different coordinate spaces, per example transforming a position from local to world space, rotating vector position or directions among others.


NOTE: Most of the more commonly used transform matrices already have specific nodes like p.e. Object To World or World To Object.


Node Parameter Description Default Value
Type A set of ways the value behaves in different situations.
  • Constant: the value is assigned directly in shader code and can't be dynamically changed.
  • Global: the value can only be set by script and this defines a static variable that is shared between all shaders that use it. It's useful to change a value globally.
Constant
Name Name to used on generating the shader Global Variable name if its type is set to Global. Otherwise it is ignored but still useful for organization purposes Matrix #
Auto-Register If toggled on, creates the property and/or global variable even if not connected to an Output node Off
Precision Defines the amount of bytes the variable can hold, effectively defining how precise the value is. It's usefulness is bond by the hardware specifications necessary. Lowest precision is slightly faster but might produce errors and artifacts.
  • Float: Highest precision, useful for values that can be very high or very low in value (ie: positions, coordinates, etc)
  • Half: Medium precision, in most cases is as good as Float but at half of it's precision
Float
Default Value This is the value the shader currently holds. It's also the default value that is used when a new material is created with this shader. 0


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