love.graphics.push

Copies and pushes the current coordinate transformation to the transformation stack.

This function is always used to prepare for a corresponding pop operation later. It stores the current coordinate transformation state into the transformation stack and keeps it active. Later changes to the transformation can be undone by using the pop operation, which returns the coordinate transform to the state it was in before calling push.

Function

Synopsis

love.graphics.push( )

Arguments

None.

Returns

Nothing.

Function

Available since LÖVE 0.9.2

This variant is not supported in earlier versions.

Pushes a specific type of state to the stack.

Synopsis

love.graphics.push( stacktype )

Arguments

StackType stacktype

The type of stack to push (e.g. just transformation state, or all love.graphics state.)

Returns

Nothing.

Examples

function love.draw()
	love.graphics.push() -- stores the default coordinate system
	love.graphics.translate(...) -- move the camera position
	love.graphics.scale(...) -- zoom the camera
	-- use the new coordinate system to draw the viewed scene
	love.graphics.pop() -- return to the default coordinates
	-- draw the status display using the screen coordinates
end

---

Available since LÖVE 0.9.2

This example is not supported in earlier versions.

function DrawCoolThing()
    love.graphics.push("all") -- save all love.graphics state so any changes can be restored

    love.graphics.setColor(0, 0, 255)
    love.graphics.setBlendMode("subtractive")

    love.graphics.circle("fill", 400, 300, 80)

    love.graphics.pop() -- restore the saved love.graphics state
end

function love.draw()
    love.graphics.setColor(255, 128, 128)
    love.graphics.circle("fill", 400, 300, 100)

    DrawCoolThing()

    love.graphics.rectangle("fill", 600, 200, 200, 200) -- still uses the color set at the top of love.draw
end

See Also

• love.graphics
• love.graphics.pop
• love.graphics.translate
• love.graphics.rotate
• love.graphics.scale
• love.graphics.shear
• StackType

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