INNER CODE UNIT · Go

NewSpotLightMesh

g3n/g3nd · util/lightmesh.go:49

func NewSpotLightMesh(color *math32.Color) *SpotLightMesh {

	l := new(SpotLightMesh)

	geom := geometry.NewCone(0.3, 0.5, 16, 1, true)
	mat1 := material.NewStandard(color)
	mat2 := material.NewStandard(color)
	mat2.SetEmissiveColor(color)
	l.Mesh = graphic.NewMesh(geom, nil)
	l.Mesh.AddGroupMaterial(mat1, 0)
	l.Mesh.AddGroupMaterial(mat2, 1)

	l.Light = light.NewSpot(color, 2.0)
	l.Light.SetDirection(0, -1, 0)
	l.Light.SetCutoffAngle(45)
	l.Light.SetLinearDecay(0)
	l.Light.SetQuadraticDecay(0)

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