xps.1.1

; tex0 is the intensity texture
; tex1+ are the plasma textures

tex t0
tex t1
tex t2
tex t3


add r1, t1.a, t2.a			; add the plasmas together
add r1, r1, t3.a			; add the plasmas together
mul r1, r1, c0			; multiple by blob intensity


; Render first plasma only, at full (x3) intensity
;add r1, t1, t1
;add r1, r1, t1
;mov r1, t1



mul r0.rgb, t0, r1		; normal fog mode; multiply intensity by plasma

add r0.rgb, r0.rgb, c1.rgb		; add fade to yellow


;mov r0, t0				; just render the intensity texture

mov r0.a, 1-zero		; set alpha to full