primitives

package

v0.13.0 Latest Latest Go to latest Published: May 29, 2024 License: MIT Imports: 7 Imported by: 0

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func UVSphere(radius float64, rows, columns int) modeling.Mesh

func UVSphereUnwelded(radius float64, rows, columns int) modeling.Mesh

func UnitCube() modeling.Mesh

type Circle struct {
	Sides  int
	Radius float64
	UVs    *CircleUVs
}

func (c Circle) ToMesh() modeling.Mesh

type CircleUVs struct {
	Center vector2.Float64
	Radius float64
}

type Cube struct {
	Height float64
	Width  float64
	Depth  float64
	UVs    *CubeUVs
}

func (c Cube) UnweldedQuads() modeling.Mesh

Builds a cube

The Cube Indices:

  3 ------- 7
/ |      /  |

2 | 6 | | 1 | 5 | / | / 0 ------ 4

func (c Cube) Welded() modeling.Mesh

type CubeUVs struct {
	Top    *StripUVs
	Bottom *StripUVs
	Left   *StripUVs
	Right  *StripUVs
	Front  *StripUVs
	Back   *StripUVs
}

func DefaultCubeUVs() *CubeUVs

type Cylinder struct {
	Sides  int
	Height float64
	Radius float64
	UVs    *CylinderUVs
}

func (c Cylinder) ToMesh() modeling.Mesh

type CylinderUVs struct {
	Top    *CircleUVs
	Bottom *CircleUVs
	Side   *StripUVs
}

type Quad struct {
	Width float64
	Depth float64
	UVs   *StripUVs
}

func (q Quad) ToMesh() modeling.Mesh

type StripUVs struct {
	Start vector2.Float64
	End   vector2.Float64
	Width float64
}

func (suv StripUVs) Dir() vector2.Float64

func (suv StripUVs) EndLeft() vector2.Float64

func (suv StripUVs) EndRight() vector2.Float64

func (suv StripUVs) StartLeft() vector2.Float64

func (suv StripUVs) StartRight() vector2.Float64