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logic flip

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This commit is contained in:
Josh Deprez 2021-08-26 09:55:55 +10:00
parent e1274a7beb
commit 056f0cf5d5
1 changed files with 13 additions and 11 deletions
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24
engine/camera.go
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@ -87,18 +87,20 @@ func (c *Camera) Draw(screen *ebiten.Image, opts ebiten.DrawImageOptions) {
// Draw everything.
for _, i := range c.Scene.Scan() {
if d, ok := i.(Drawer); ok {
pf := 1.0
if s, ok := i.(ParallaxScaler); ok {
pf = s.ParallaxFactor()
}
var geom ebiten.GeoM
// 1. Move centre to the origin, subject to parallax factor
geom.Translate(-float64(centre.X)*pf, -float64(centre.Y)*pf)
geom.Concat(comm)
opts.GeoM = geom
d.Draw(screen, opts)
d, ok := i.(Drawer)
if !ok {
continue
}
pf := 1.0
if s, ok := i.(ParallaxScaler); ok {
pf = s.ParallaxFactor()
}
var geom ebiten.GeoM
// 1. Move centre to the origin, subject to parallax factor
geom.Translate(-float64(centre.X)*pf, -float64(centre.Y)*pf)
geom.Concat(comm)
opts.GeoM = geom
d.Draw(screen, opts)
}
}