Detailed Description

A GPU renderer that draws 2-D shapes, images, and text in normalized screen space (0–VECTOR_2D_SCREEN_SIZE).

Lua full name: lysa.Vector2DRenderer

Public Member Functions
nil	draw_line (start: float2, end: float2)
	Draws a line between two 2-D screen-space points using the current pen color. More...

nil	draw_filled_rect (rect: Rect)
	Draws a filled rectangle using the current pen color. More...

nil	draw_filled_rect (rect: Rect, texture: integer)
	Draws a textured filled rectangle. More...

nil	draw_filled_rect (x: number, y: number, w: number, h: number, texture: integer)
	Draws a textured filled rectangle from x, y, w, h. More...

nil	set_pen_color (color: float4)
	Sets the current pen color (RGBA) used by subsequent draw calls. More...

nil	set_translate (t: float2)
	Sets a 2-D translation offset applied to all subsequent draw calls in this renderer. More...

nil	set_transparency (a: number)
	Sets the global alpha multiplier (0.0 = fully transparent, 1.0 = fully opaque) for subsequent draw calls. More...

Properties
number	aspect_ratio
	Constructor: Vector2DRenderer(rt)

Member Function Documentation

nil draw_line	(	float2	start	,
		float2	end	)

Draws a line between two 2-D screen-space points using the current pen color.

Parameters

start	float2
end	float2

nil draw_filled_rect ( Rect rect )

Draws a filled rectangle using the current pen color.

Parameters

rect Rect

nil draw_filled_rect	(	Rect	rect	,
		integer	texture	)

Draws a textured filled rectangle.

Parameters

rect	Rect
texture	integer

Draws a textured filled rectangle from x, y, w, h.

Parameters

nil set_pen_color ( float4 color )

Sets the current pen color (RGBA) used by subsequent draw calls.

Parameters

color float4

nil set_translate ( float2 t )

Sets a 2-D translation offset applied to all subsequent draw calls in this renderer.

Parameters

t float2

nil set_transparency ( number a )

Sets the global alpha multiplier (0.0 = fully transparent, 1.0 = fully opaque) for subsequent draw calls.

Parameters

a number

number aspect_ratio

Constructor: Vector2DRenderer(rt)