Camera Scale Offset

[Beelz]

Does anyone know a conversion to keep the object centered while zooming in and out? It seems I'm failing pretty hard...

Code: Select all

love.graphics.scale(camSettings.scale, camSettings.scale)

if cameraFollowShip then
	camSettings.x = -ship.x 
	camSettings.y = -ship.y
end
	
love.graphics.translate(camSettings.x + love.graphics.getWidth()/2, camSettings.y + love.graphics.getHeight()/2)

[davisdude]

This is how I did it:

Code: Select all

push = function( layer )
	love.graphics.push( 'transform' ) -- Shouldn't interfere
		love.graphics.origin() -- Prevent scaling and zooming and etc multiple times
		love.graphics.translate( self.offsetX + self.screenX, self.offsetY + self.screenY ) -- Allow for rotation and zooming to occur from center of screen
		love.graphics.rotate( self.rotation )
		love.graphics.scale( self.scaleX * layer.relativeScale, self.scaleY * layer.relativeScale )
		love.graphics.translate( -self.offsetX - self.screenX, -self.offsetY - self.screenY ) -- Move zoom and rotation back to normal for drawing.

		love.graphics.translate( self.offsetX + self.screenX, self.offsetY + self.screenY )
		love.graphics.translate( -self.x, -self.y )
end
pop = function( layer )
	love.graphics.pop()
end

Some of the code could be condensed, I just made them separate in order to be easier to follow.

[pgimeno]

... + love.graphics.getWidth()/camSettings.scale/2, ... + love.graphics.getHeight()/camSettings.scale/2)

[Beelz]

Thank you both for the quick reply, problem solved!