func initCamera() {
ri.Projection("perspective", "fov", 30.)
ri.Translate(0, -0.25, 10)
ri.Rotate(-25, 1, 0, 0)
ri.Rotate(180, 1, 0, 0)
ri.Imager("Vignette")
}
func TestTorus(t *testing.T) {
compileShader(OCCLUSION_SHADER)
compileShader(VIGNETTE_SHADER)
launch := "launch:prman? -t -ctrl $ctrlin $ctrlout -capture debug.rib"
ri.Begin(launch)
ri.Format(512, 320, 1)
ri.Display("grasshopper", "framebuffer", "rgba")
ri.ShadingRate(4)
ri.Option("limits", "int threads", 2)
ri.Option("statistics",
"xmlfilename", "stats.xml",
"endofframe", true)
ri.PixelSamples(4, 4)
ri.Projection("perspective", "fov", 30.)
ri.Translate(0, 0.25, 4)
ri.Rotate(-20, 1, 0, 0)
ri.Rotate(180, 1, 0, 0)
ri.Imager("Vignette")
ri.WorldBegin()
ri.Declare("samples", "float")
ri.Declare("em", "color")
ri.Attribute("cull",
"int backfacing", false,
"int hidden", false)
ri.Attribute("visibility",
"int diffuse", true,
"int specular", true)
ri.Attribute("dice",
"int rasterorient", false)
// Floor
ri.Attribute("identifier", "string name", "Floor")
ri.Surface("Occlusion",
"em", color(0, 0.65, 0.83),
"samples", 64.)
ri.TransformBegin()
ri.Rotate(90, 1, 0, 0)
ri.Disk(-0.7, 300, 360)
ri.TransformEnd()
// Sculpture
ri.Attribute("identifier", "string name", "Sculpture")
ri.Surface("Occlusion",
"em", gray(1.1),
"samples", 64.)
ri.TransformBegin()
ri.Translate(0, 0.75, 0)
ri.Torus(1, 0.2, 0, 360, 360)
ri.TransformEnd()
ri.WorldEnd()
ri.End()
}
func drawWorld(curve *Curve) {
ri.WorldBegin()
ri.Declare("samples", "float")
ri.Declare("em", "color")
ri.Attribute("cull",
"int backfacing", false,
"int hidden", false)
ri.Attribute("visibility",
"int diffuse", true,
"int specular", true)
ri.Attribute("dice",
"int rasterorient", false)
// Floor
ri.Attribute("identifier", "string name", "Floor")
ri.Surface("Occlusion",
"em", color(0.12, 0.12, 0.83),
"samples", 16.)
ri.TransformBegin()
ri.Rotate(90, 1, 0, 0)
ri.Disk(-0.7, 300, 360)
ri.TransformEnd()
// Sculpture
ri.Attribute("identifier", "string name", "Sculpture")
ri.Surface("Occlusion",
"em", gray(1.0),
"samples", 1024.)
ri.TransformBegin()
ri.Rotate(90, 1, 0, 0)
ri.Translate(0, 0, -0.55)
drawCurve(curve)
ri.TransformEnd()
ri.WorldEnd()
}