geom

Documentation

Index

• type Rect
  • func (rect *Rect) Bottom() float64
  • func (rect *Rect) CollisionPoint(pos Vec) bool
  • func (r1 Rect) CollisionRectangle(r2 Rect) bool
  • func (rect *Rect) DistancePoint(point Vec) float64
  • func (rect *Rect) DistanceRect(otherRect Rect) float64
  • func (rect *Rect) Left() float64
  • func (rect *Rect) Pos() Vec
  • func (rect *Rect) Right() float64
  • func (rect *Rect) Top() float64
• type RoomEditorDebugRect
  • func R(a Vec, b Vec) RoomEditorDebugRect
  • func (rect *RoomEditorDebugRect) Bottom() float64
  • func (rect *RoomEditorDebugRect) Left() float64
  • func (rect *RoomEditorDebugRect) Right() float64
  • func (rect *RoomEditorDebugRect) Top() float64
• type Vec
  • func (v Vec) DistancePoint(ov Vec) float64
  • func (v Vec) Dot(ov Vec) float64
  • func (v Vec) Norm() float64
  • func (v Vec) Sub(ov Vec) Vec

Types

type Rect

type Rect struct {
	Vec      // Position (contains X,Y)
	Size Vec // Size (X,Y)
}

func (*Rect) Bottom

func (rect *Rect) Bottom() float64

func (*Rect) CollisionPoint

func (rect *Rect) CollisionPoint(pos Vec) bool

func (Rect) CollisionRectangle

func (r1 Rect) CollisionRectangle(r2 Rect) bool

func (*Rect) DistancePoint

func (rect *Rect) DistancePoint(point Vec) float64

func (*Rect) DistanceRect

func (rect *Rect) DistanceRect(otherRect Rect) float64

DistanceRect will give you the distance in pixels between two rectangles this is useful for seeing how far an object is from another object.

func (*Rect) Left

func (rect *Rect) Left() float64

func (*Rect) Pos

func (rect *Rect) Pos() Vec

func (*Rect) Right

func (rect *Rect) Right() float64

func (*Rect) Top

func (rect *Rect) Top() float64

type RoomEditorDebugRect

type RoomEditorDebugRect struct {
	LeftTop     Vec
	RightBottom Vec
}

func R

func R(a Vec, b Vec) RoomEditorDebugRect

func (*RoomEditorDebugRect) Bottom

func (rect *RoomEditorDebugRect) Bottom() float64

func (*RoomEditorDebugRect) Left

func (rect *RoomEditorDebugRect) Left() float64

func (*RoomEditorDebugRect) Right

func (rect *RoomEditorDebugRect) Right() float64

func (*RoomEditorDebugRect) Top

func (rect *RoomEditorDebugRect) Top() float64

type Vec

type Vec struct {
	X float64 `json:"X"`
	Y float64 `json:"Y"`
}

func (Vec) DistancePoint

func (v Vec) DistancePoint(ov Vec) float64

func (Vec) Dot

func (v Vec) Dot(ov Vec) float64

func (Vec) Norm

func (v Vec) Norm() float64

Norm returns the vector's norm.

func (Vec) Sub

func (v Vec) Sub(ov Vec) Vec