Get Position - Revision history

Redmaw: Changed brightness to amplitude.

2022-03-30T22:26:08Z

Changed brightness to amplitude.

← Older revision		Revision as of 22:26, 30 March 2022
Line 121:		Line 121:
	* Set “'''Scalar'''” to any number you want, for example “'''112862'''”. This value will be used as a starting point for the noise pattern.		* Set “'''Scalar'''” to any number you want, for example “'''112862'''”. This value will be used as a starting point for the noise pattern.
	* Drag a connection line from the “'''Output'''” of the second Constant scalar node to the “'''Seed'''” input of the Perlin 3D scalar node.		* Drag a connection line from the “'''Output'''” of the second Constant scalar node to the “'''Seed'''” input of the Perlin 3D scalar node.
	* Add a “'''Multiply scalar'''” node to the project. We’ll use this to ~~“brighten" or raise~~ the ~~values~~ of the noise pattern.		* Add a “'''Multiply scalar'''” node to the project. We’ll use this to increase the amplitude of the noise pattern values.
	* Drag a connection line from the “'''Output'''” of the Perlin 3D scalar node to the “'''Main input'''” of the Multiply scalar node.		* Drag a connection line from the “'''Output'''” of the Perlin 3D scalar node to the “'''Main input'''” of the Multiply scalar node.
	* Add a “'''Constant scalar'''” to the project.		* Add a “'''Constant scalar'''” to the project.

Redmaw: Updated descriptions and added example images.

2022-03-23T06:12:49Z

Updated descriptions and added example images.

Show changes

Matt at 01:56, 7 October 2018

2018-10-07T01:56:39Z

← Older revision		Revision as of 01:56, 7 October 2018
Line 2:		Line 2:

	Provides the Position, in world space, of the current [[Render State]]. The [[Render State]] is affected by any shaders which were called before this function is called, among other things. Position is the current point on/in the surface/volume being rendered or sampled.		Provides the Position, in world space, of the current [[Render State]]. The [[Render State]] is affected by any shaders which were called before this function is called, among other things. Position is the current point on/in the surface/volume being rendered or sampled.

			The input connection is not used by this node (consistent with all [[:Get\|Get nodes]]).

	When used in the context of displacement, for example in a function network that feeds a displacement shader, Position depends on where the node is connected with respect to other displacement shaders. This is because displacement shaders modify Position immediately.		When used in the context of displacement, for example in a function network that feeds a displacement shader, Position depends on where the node is connected with respect to other displacement shaders. This is because displacement shaders modify Position immediately.
Line 8:		Line 10:

	For many shading uses it is better to use [[Get Position in Texture]], because that often provides a value that is consistent between displacement and colour contexts.		For many shading uses it is better to use [[Get Position in Texture]], because that often provides a value that is consistent between displacement and colour contexts.

	~~The Input connection is not used by this node.~~

	<!-- imported from file: module_38.html-->		<!-- imported from file: module_38.html-->

	[[Category:Get]]		[[Category:Get]]

JavaJones at 18:33, 1 June 2011

2011-06-01T18:33:42Z

← Older revision		Revision as of 18:33, 1 June 2011
Line 13:		Line 13:
	<!-- imported from file: module_38.html-->		<!-- imported from file: module_38.html-->

	[[Category:Get\| ]]		[[Category:Get]]

JavaJones at 01:21, 18 May 2011

2011-05-18T01:21:34Z

← Older revision		Revision as of 01:21, 18 May 2011
Line 1:		Line 1:
	~~[[Category:IMPORT]]~~
	~~='''Get Position'''=~~

	[[Image:drex_module_38_image_0.png\|485pxpx\|Get Position]]		[[Image:drex_module_38_image_0.png\|485pxpx\|Get Position]]

Line 14:		Line 11:
	The Input connection is not used by this node.		The Input connection is not used by this node.

	~~__NOTOC__~~
	<!-- imported from file: module_38.html-->		<!-- imported from file: module_38.html-->

			[[Category:Get\| ]]

Matt: /* Get Position */

2011-05-02T00:58:14Z

Get Position

← Older revision		Revision as of 00:58, 2 May 2011
Line 9:		Line 9:

	When used in the context of providing colour and lighting to a surface, for example in a function network that feeds a shader's colour or luminosity, Position is always the "final position" after all displacement. This is because all displacements are performed before any shader's colour and lighting is calculated.		When used in the context of providing colour and lighting to a surface, for example in a function network that feeds a shader's colour or luminosity, Position is always the "final position" after all displacement. This is because all displacements are performed before any shader's colour and lighting is calculated.

			For many shading uses it is better to use [[Get Position in Texture]], because that often provides a value that is consistent between displacement and colour contexts.

	The Input connection is not used by this node.		The Input connection is not used by this node.

Matt: /* Get Position */

2011-05-02T00:54:37Z

Get Position

← Older revision		Revision as of 00:54, 2 May 2011
Line 6:		Line 6:
	Provides the Position, in world space, of the current [[Render State]]. The [[Render State]] is affected by any shaders which were called before this function is called, among other things. Position is the current point on/in the surface/volume being rendered or sampled.		Provides the Position, in world space, of the current [[Render State]]. The [[Render State]] is affected by any shaders which were called before this function is called, among other things. Position is the current point on/in the surface/volume being rendered or sampled.

	When used in the context of displacement, for example ~~using Get Position~~ in a function network that feeds a displacement shader, Position depends on where the node is connected with respect to other displacement shaders. This is because displacement shaders modify Position immediately.		When used in the context of displacement, for example in a function network that feeds a displacement shader, Position depends on where the node is connected with respect to other displacement shaders. This is because displacement shaders modify Position immediately.

	When used in the context of providing colour and lighting to a surface, for example ~~using Get Position~~ in a function network that feeds a shader's colour or luminosity, Position is always the "final position" after all displacement. This is because all displacements are performed before any shader's colour and lighting is calculated.		When used in the context of providing colour and lighting to a surface, for example in a function network that feeds a shader's colour or luminosity, Position is always the "final position" after all displacement. This is because all displacements are performed before any shader's colour and lighting is calculated.

	The Input connection is not used by this node.		The Input connection is not used by this node.

Matt: /* Get Position */

2011-05-02T00:53:33Z

Get Position

← Older revision		Revision as of 00:53, 2 May 2011
Line 4:		Line 4:
	[[Image:drex_module_38_image_0.png\|485pxpx\|Get Position]]		[[Image:drex_module_38_image_0.png\|485pxpx\|Get Position]]

	Provides the Position of the ~~input~~ node ~~as its output~~.		Provides the Position, in world space, of the current [[Render State]]. The [[Render State]] is affected by any shaders which were called before this function is called, among other things. Position is the current point on/in the surface/volume being rendered or sampled.

			When used in the context of displacement, for example using Get Position in a function network that feeds a displacement shader, Position depends on where the node is connected with respect to other displacement shaders. This is because displacement shaders modify Position immediately.

			When used in the context of providing colour and lighting to a surface, for example using Get Position in a function network that feeds a shader's colour or luminosity, Position is always the "final position" after all displacement. This is because all displacements are performed before any shader's colour and lighting is calculated.

			The Input connection is not used by this node.

	__NOTOC__		__NOTOC__
	<!-- imported from file: module_38.html-->		<!-- imported from file: module_38.html-->

JavaJones at 01:04, 29 April 2011

2011-04-29T01:04:35Z

← Older revision		Revision as of 01:04, 29 April 2011
Line 3:		Line 3:

	[[Image:drex_module_38_image_0.png\|485pxpx\|Get Position]]		[[Image:drex_module_38_image_0.png\|485pxpx\|Get Position]]

			Provides the Position of the input node as its output.

	__NOTOC__		__NOTOC__
	<!-- imported from file: module_38.html-->		<!-- imported from file: module_38.html-->

127.0.0.1: jrfconvert import

2010-07-11T02:55:23Z

jrfconvert import

New page

[[Category:IMPORT]]
='''Get Position'''=

[[Image:drex_module_38_image_0.png|485pxpx|Get Position]]
__NOTOC__