func Opacity(r, g, b float32) {
opacity := [3]C.RtFloat{
C.RtFloat(r),
C.RtFloat(g),
C.RtFloat(b)}
C.RiOpacity(&opacity[0])
}
func Color(r, g, b float32) {
color := [3]C.RtFloat{
C.RtFloat(r),
C.RtFloat(g),
C.RtFloat(b)}
C.RiColor(&color[0])
}
func Disk(height float32, radius float32, tmax float32, varargs ...interface{}) {
h := C.RtFloat(height)
r := C.RtFloat(radius)
t := C.RtFloat(tmax)
names, values, ownership := unzipArgs(varargs...)
defer freeArgs(names, ownership)
nArgs := C.RtInt(len(varargs) / 2)
pNames, pVals := safeArgs(names, values)
C.RiDiskV(h, r, t, nArgs, pNames, pVals)
}
func Cylinder(radius float32, zmin float32, zmax float32,
ϴmax float32, varargs ...interface{}) {
r := C.RtFloat(radius)
z0 := C.RtFloat(zmin)
z1 := C.RtFloat(zmax)
t := C.RtFloat(ϴmax)
names, values, ownership := unzipArgs(varargs...)
defer freeArgs(names, ownership)
nArgs := C.RtInt(len(varargs) / 2)
pNames, pVals := safeArgs(names, values)
C.RiCylinderV(r, z0, z1, t, nArgs, pNames, pVals)
}
func Torus(majrad float32, minrad float32,
phimin float32, phimax float32,
tmax float32, varargs ...interface{}) {
a := C.RtFloat(majrad)
i := C.RtFloat(minrad)
p := C.RtFloat(phimin)
x := C.RtFloat(phimax)
t := C.RtFloat(tmax)
names, values, ownership := unzipArgs(varargs...)
defer freeArgs(names, ownership)
nArgs := C.RtInt(len(varargs) / 2)
pNames, pVals := safeArgs(names, values)
C.RiTorusV(a, i, p, x, t, nArgs, pNames, pVals)
}
func Rotate(angle, x, y, z float32) {
C.RiRotate(C.RtFloat(angle), C.RtFloat(x), C.RtFloat(y), C.RtFloat(z))
}
func Translate(x, y, z float32) {
C.RiTranslate(C.RtFloat(x), C.RtFloat(y), C.RtFloat(z))
}
func PixelSamples(x, y float32) {
C.RiPixelSamples(C.RtFloat(x), C.RtFloat(y))
}
func ShadingRate(val float32) {
C.RiShadingRate(C.RtFloat(val))
}
func Format(width int32, height int32, aspectRatio float32) {
w := C.RtInt(width)
h := C.RtInt(height)
r := C.RtFloat(aspectRatio)
C.RiFormat(w, h, r)
}