go-opengl-pixel/pixelgl/util.go

16 lines
344 B
Go

package pixelgl
import (
"math"
"github.com/faiface/pixel"
)
func intBounds(bounds pixel.Rect) (x, y, w, h int) {
x0 := int(math.Floor(bounds.Pos.X()))
y0 := int(math.Floor(bounds.Pos.Y()))
x1 := int(math.Ceil(bounds.Pos.X() + bounds.Size.X()))
y1 := int(math.Ceil(bounds.Pos.Y() + bounds.Size.Y()))
return x0, y0, x1 - x0, y1 - y0
}