Canvas rotate

Description

_rotate(angle)
_rotate(angle, anchor_x, anchor_y)

_rotate is used to rotate all shapes drawn after this call to have rotation.

This function may only be called within a canvas draw callback

Return value

This function won't return any value.

Arguments

#	Argument	Type	Description
1	angle	Number	Angle of rotation in degrees.
2	anchor_x	Number	(Optional) Left point of the anchor point to rotate around
3	anchor_y	Number	(Optional) Top point of the anchor point to rotate around

Example

canvas_add(0, 0, 200, 200, function()
  -- Set rotation of 10 degrees      
  _rotate(10)

  -- Everything after this point will have the rotation applied to it

  -- Draw a red rectangle with rotation
  _rect(50, 50, 100, 100)
  _fill("red")

  -- Revert the rotation set before.
  -- From this point everything is drawn without any rotation	
  _rotate(-10)

  -- Draw a second smaller blue rectangle	
  _rect(75, 75, 50, 50)
  _fill("blue")
end)

Output of code above