src/fp/kil-pos.txt

!!ARBfp1.0
TEMP R0;
SUB R0.xy, fragment.position, {125}.x;
MOV R0.zw, {0}.x;
DP3 R0, R0, R0;
SUB R0.x, R0, {10000}.x;
KIL -R0.x;
MOV result.color, fragment.color;
END