i have two material , how can i reach them both

Questions & Answers
1

how can i reach the material two? , this make paint only material 1

for (var parents:Transform in transform){
	if (parents.renderer) {
		parents.renderer.material.color = myColor;
	}
}
2

Use render.materials instead of renderer.material… it’s an array.

Read more here:
http://unity3d.com/support/documentation/ScriptReference/Renderer-materials.html