material Particles/Dust01 { technique { pass { lighting on depth_write off texture_unit { texture demos/environment/particles/dust01.png } } } } material Particles/Dust02 { technique { pass { lighting on depth_write off texture_unit { texture demos/environment/particles/dust02.png } } } } material Particles/Dust03 { technique { pass { lighting on depth_write off scene_blend add texture_unit { texture demos/environment/particles/dust03.png } } } } material Particles/Dust04 { technique { pass { lighting on depth_write off scene_blend add texture_unit { texture demos/environment/particles/dust04.png } } } } material Particles/Dust05 { technique { pass { lighting on depth_write off scene_blend add texture_unit { texture demos/environment/particles/dust05.png } } } }