# Animated Color Procedural Texture

m (Text replace - "<javascript>" to "<syntaxhighlight lang="javascript">") |
m (Text replace - "</javascript>" to "</syntaxhighlight>") |
||

Line 74: | Line 74: | ||

texture.Apply(); | texture.Apply(); | ||

} | } | ||

− | </ | + | </syntaxhighlight> |

## Latest revision as of 20:52, 10 January 2012

Author: Antony Stewart

## [edit] Description

Variation of the procedural perlin noise demo script, to generate textures with mixes of RGB by blending 3 independant RGB x,y, graphs. Also HSBColor.

## [edit] Usage

Attach this script to the object that you wish to give a special effects color. Write maths functions for the red, blue, green variables that compute between 0 and 1, based on x,y, graphs. pastel colors are closer to .7 and bright colors closer to 1. for example if you want a psycadelically angry robot, make a black and red dot graph and animate with Time.time*30, i.e. warping very fast. You need to know abit about 2D graphs.

straight =sin(x*.3)

vertical =sin(y*.3)

oblique = sin(x+y) or (x-y)

wiggle = sin(x*.2+sin(y*.5)*.3)

complex wiggles = add multiple wiggles together.

Note: x and y =128 so sensible sine multipliers are 0.1,0.345 etc, not 20.

## [edit] JavaScript - AnimatedTextureUV.js

var gray = true; var width = 128; var height = 128; private var texture : Texture2D; function Start () { texture = new Texture2D(width, height, TextureFormat.RGB24, false); renderer.material.mainTexture = texture; } function Update() { Calculate(); } function Calculate() { for (var y = 0;y<height;y++) { for (var x = 0;x<width;x++) { if (gray) { var red = 0; var green = Mathf.Sin(x*.5+Time.time+Mathf.Sin(y*.23)*.8)/5+.5; var blue = Mathf.Sin(x*.3+Time.time+Mathf.Sin(x*.43)*.4)/5+.5; texture.SetPixel(x, y, Color (red, green, blue, 1)); } else { texture.SetPixel(x, y, Color (1, 0, 0, 1)); } } } texture.Apply(); }