VEX Wrangle Snippets - Revision history

Admin at 10:05, 3 October 2024

2024-10-03T10:05:34Z

@@ Line 371: / Line 371: @@
 == Random Color from Normal Direction ==
 Generate random colors based on the surface normal, adjust the multiplier to control the amount of colors
 <syntaxhighlight lang='C'>
 v@Cd = rand(rint(@N*2));

2024-10-03T09:46:21Z

@@ Line 373: / Line 373: @@
 Generate random colors based on the surface normal, adjust the multiplier to control the amount of colors
 <syntaxhighlight lang='C'>
-v@Cd = rand(rint(v@N*8));
+v@Cd = rand(rint(@N*2));
 </syntaxhighlight>
 == Iterative Face Insetting ==

2024-09-01T11:21:53Z

Torus Knot

← Older revision		Revision as of 11:21, 1 September 2024
Line 483:		Line 483:
	[https://prideout.net/knotgl/ Online Knot Viewer]		[https://prideout.net/knotgl/ Online Knot Viewer]

			[[:File:vex_torus_knot_001.hiplc\|vex_torus_knot_001.hiplc]]
	<syntaxhighlight lang='C'>		<syntaxhighlight lang='C'>
	float u = float(@ptnum)/(@numpt-1);		float u = float(@ptnum)/(@numpt-1);

2024-09-01T11:12:00Z

Torus Knot

← Older revision		Revision as of 11:12, 1 September 2024
Line 482:		Line 482:

	[https://prideout.net/knotgl/ Online Knot Viewer]		[https://prideout.net/knotgl/ Online Knot Viewer]


	<syntaxhighlight lang='C'>		<syntaxhighlight lang='C'>
	float u = float(@ptnum)/(@numpt-1);		float u = float(@ptnum)/(@numpt-1);

2024-09-01T11:11:40Z

Torus Knot

← Older revision		Revision as of 11:11, 1 September 2024
Line 479:		Line 479:

	== Torus Knot ==		== Torus Knot ==
			[[File:vex_torus_knot_001.gif \| 340px \| right]]

	[https://prideout.net/knotgl/ Online Knot Viewer]		[https://prideout.net/knotgl/ Online Knot Viewer]
	<syntaxhighlight lang='C'>		<syntaxhighlight lang='C'>

2023-08-04T16:21:45Z

Plexus Effect

← Older revision		Revision as of 16:21, 4 August 2023
Line 323:		Line 323:
	[[File:vex_plexus.gif \| 340px \| right]]		[[File:vex_plexus.gif \| 340px \| right]]
	Connect nearby points		Connect nearby points




Line 335:		Line 333:
	[[:File:vex_plexus.hiplc\|vex_plexus.hiplc]]		[[:File:vex_plexus.hiplc\|vex_plexus.hiplc]]
	<syntaxhighlight lang='C'>		<syntaxhighlight lang='C'>
	foreach(int pt; nearpoints(0, @P, 0.5, ~~250~~)) {		foreach(int pt; nearpoints(0, @P, 0.15, 10)) {
	if(pt > @ptnum)		if(pt > @ptnum)
	addprim(0, 'polyline', @ptnum, pt);		addprim(0, 'polyline', @ptnum, pt);

2023-08-04T16:21:07Z

Plexus Effect

@@ Line 321: / Line 321: @@
 == Plexus Effect ==
 Connect nearby points
 <syntaxhighlight lang='C'>
 foreach(int pt; nearpoints(0, @P, 0.5, 250))    {

2023-07-31T13:13:45Z

Point Jitter

← Older revision		Revision as of 13:13, 31 July 2023
Line 303:		Line 303:
	[[File:vex_point_jitter.gif \| 340px \| right]]		[[File:vex_point_jitter.gif \| 340px \| right]]
	Move each point in a random direction with a spherical distribution		Move each point in a random direction with a spherical distribution

2023-07-31T13:13:36Z

Point Jitter

@@ Line 301: / Line 301: @@
 == Point Jitter ==
-Jitter each point by a random spherical direction
+[[File:vex_point_jitter.gif | 340px | right]]
 <syntaxhighlight lang='C'>
 @P += sample_sphere_uniform(rand(@elemnum+chf('seed'))) * chf('scale');

2023-07-29T19:16:53Z

Make 2D

← Older revision		Revision as of 19:16, 29 July 2023
Line 140:		Line 140:

	You can use the setcomp function to zero out a component of a vector, resulting in a two dimensional surface.		You can use the setcomp function to zero out a component of a vector, resulting in a two dimensional surface.


	[[:File:vex_setcomp.hiplc\|vex_setcomp.hiplc]]		[[:File:vex_setcomp.hiplc\|vex_setcomp.hiplc]]
	<syntaxhighlight lang='C'>		<syntaxhighlight lang='C'>
	// Set the X component to zero, ~~making the geometry~~ 2D in ~~the~~ YZ ~~plane.~~		// Set the X component to zero, planar 2D in YZ
	setcomp(@P, 0, 0);		setcomp(@P, 0, 0);
	</syntaxhighlight>		</syntaxhighlight>
	<syntaxhighlight lang='C'>		<syntaxhighlight lang='C'>
	// Set the Y component to zero, ~~making the geometry~~ 2D in ~~the~~ XZ ~~plane.~~		// Set the Y component to zero, planar 2D in XZ
	setcomp(@P, 0, 1);		setcomp(@P, 0, 1);
	</syntaxhighlight>		</syntaxhighlight>
	<syntaxhighlight lang='C'>		<syntaxhighlight lang='C'>
	// Set the Z component to zero, ~~making the geometry~~ 2D in ~~the~~ XY ~~plane.~~		// Set the Z component to zero, planar 2D in XY
	setcomp(@P, 0, 2);		setcomp(@P, 0, 2);
	</syntaxhighlight>		</syntaxhighlight>