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OpenDiablo2/d2core/d2map/camera.go

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package d2map
type Camera struct {
x float64
y float64
}
func (c *Camera) MoveTo(x, y float64) {
c.x = x
c.y = y
}
func (c *Camera) MoveBy(x, y float64) {
c.x += x
c.y += y
}
func (c *Camera) GetPosition() (float64, float64) {
return c.x, c.y
}