func (l *Lever) SetDirection(point1 sf.Vector2f, point2 sf.Vector2f) {
direction := point2.Minus(point1)
direction = Vector.DirV2(direction)
dir1 := direction
dir2 := direction
dir1.X *= l.radius1
dir1.Y *= l.radius1
dir2.X *= l.radius2
dir2.Y *= l.radius2
l.ctrlPoint1 = l.point.Minus(dir1)
l.ctrlPoint2 = l.point.Plus(dir2)
}
func (g *Game) getSpeedAndMovementFromControl() (sf.Vector2f, sf.Vector2f) {
movement := sf.Vector2f{0, 0}
speed := sf.Vector2f{2, 2}
if sf.KeyboardIsKeyPressed(sf.KeySpace) {
speed.X *= 3
speed.Y *= 3
}
if sf.KeyboardIsKeyPressed(sf.KeyRight) {
movement.X += 1.0
}
if sf.KeyboardIsKeyPressed(sf.KeyLeft) {
movement.X += -1.0
}
if sf.KeyboardIsKeyPressed(sf.KeyUp) {
movement.Y += -1.0
}
if sf.KeyboardIsKeyPressed(sf.KeyDown) {
movement.Y += 1.0
}
return speed, movement
}
func (v vectorUtil) DistanceV2f(point1, point2 sf.Vector2f) (output float32) {
vector := point2.Minus(point1)
output = float32(math.Sqrt(math.Pow(float64(vector.X), 2) + math.Pow(float64(vector.Y), 2)))
return
}