set orientation or just me

BlitzMax Forums/BlitzMax Beginners Area/set orientation or just me

rocketdude786

(Posted 2015) [#1]

im rendering an image for the center and rotate it. i can not seem to reorientate it from the center.

	Function render(ships:ship)
		Local imgs:TImage = ships.img
		Local xs = ships.x
		Local ys = ships.y
		

		SetRotation(ships.ang)
		SetOrigin(Cos(ships.ang)*-32, Sin(ships.ang)*-32)
		DrawImage(ships.img, ships.x,ships.y, 0)
		SetRotation(0)
		SetOrigin(0,0)
	End Function

xlsior

(Posted 2015) [#2]

It's been a while since I dealt with this, but IIRC it's SetImageHandle:

Function SetImageHandle( image:TImage,x#,y# )

Description Set an image's handle to an arbitrary point
Information An image's handle is subtracted from the coordinates of DrawImage before rotation and scale are applied.

TomToad

(Posted 2015) [#3]

MidHandleImage(image:TImage) will automatically set the handle to the center of the image.