love.graphics.newQuad
Creates a new Quad.
Contents
Function
Synopsis
quad = love.graphics.newQuad( x, y, width, height, sw, sh )
Arguments
number x
- The top-left position along the x-axis.
number y
- The top-left position along the y-axis.
number width
- The width of the Quad. (Must be greater than 0.)
number height
- The height of the Quad. (Must be greater than 0.)
number sw
- The reference width, the width of the Image. (Must be greater than 0.)
number sh
- The reference height, the height of the Image. (Must be greater than 0.)
Returns
Quad quad
- The new Quad.
Note
The purpose of a Quad is to describe the result of the following transformation on any drawable object. The object is first scaled to dimensions sw × sh. The Quad then describes the rectangular area of dimensions width × height whose upper left corner is at position (x, y) inside the scaled object.
Examples
Use a Quad to display part of an Image:
img = love.graphics.newImage("mushroom-64x64.png")
-- Let's say we want to display only the top-left
-- 32x32 quadrant of the Image:
top_left = love.graphics.newQuad(0, 0, 32, 32, 64, 64)
-- And here is bottom left:
bottom_left = love.graphics.newQuad(0, 32, 32, 32, 64, 64)
function love.draw()
love.graphics.drawq(img, top_left, 50, 50)
love.graphics.drawq(img, bottom_left, 50, 200)
end
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