ichigo/engine/misc.go
2021-08-23 11:10:46 +10:00

51 lines
1.3 KiB
Go

package engine
import "image"
// ID implements Identifier directly (as a string value).
type ID string
// Ident returns id as a string.
func (id ID) Ident() string { return string(id) }
// Bounds implements Bounder directly (as an image.Rectangle value).
type Bounds image.Rectangle
// BoundingRect returns b as an image.Rectangle.
func (b Bounds) BoundingRect() image.Rectangle { return image.Rectangle(b) }
// Disabled implements Disabler directly (as a bool).
type Disabled bool
// IsHidden returns h as a bool.
func (d Disabled) IsDisabled() bool { return bool(d) }
// Hide sets h to true.
func (d *Disabled) Disable() { *d = true }
// Show sets h to false.
func (d *Disabled) Enable() { *d = false }
// Hidden implements Hider directly (as a bool).
type Hidden bool
// IsHidden returns h as a bool.
func (h Hidden) IsHidden() bool { return bool(h) }
// Hide sets h to true.
func (h *Hidden) Hide() { *h = true }
// Show sets h to false.
func (h *Hidden) Show() { *h = false }
// Parallax implements ParallaxScaler directly (as a float64 value).
type Parallax float64
// ParallaxFactor returns s as a float64.
func (s Parallax) ParallaxFactor() float64 { return float64(s) }
// ZOrder implements DrawOrderer directly (as a float64 value).
type ZOrder float64
// DrawOrder returns z as a float64.
func (z ZOrder) DrawOrder() float64 { return float64(z) }