koobas.hobune.stream
Problem with simple projection shader
First time messing around with shaders, i've got what im after however the projected texture is projected black, loosing all it's colour.
Here's the shader:
Shader "Projector Shader" {
Properties {
_Tex ("Projector", 2D) = "" { TexGen ObjectLinear }
}
Subshader {
Pass {
Blend DstColor Zero
SetTexture [_Tex] {
Matrix [_Projector]
}
}
}
}
What's causing this to happen?
Could still use a hand if anyone knows why this is happening.
Best Answer
you forgot about falloff the texture where projector should be hided.
add this to property:
_FallOff ("FallOff", 2D) = "white" {}
add this as second texture block:
SetTexture [_FallOff] {
constantColor (1,1,1,0)
combine previous lerp (texture) constant
Matrix [_ProjectorClip]
}
and attach fallof texture (gradient alpha from 1(left) to 0(right))
