class Psychlops::Canvas

Usage

Canvas represents drawing target like a window or a monitor. In PsychlopsJS, it represents canvas element linked with double-buffered WebGL context. Typically, only one instance of Canvas is required for a experiments. Once a Canvas instance is set, most of drawing functions automatically draw on the last-set instance.

Functions

Initialization

Canvas& set(Canvas::fullscreen)

set a new fullscreen Canvas. The size depends on the screen setting.

Canvas& set(Canvas::window)

set a new window (or Canvas element in HTML). Default size is 800x600.

Canvas& set(width, height)

set a new window by designated size.

Initialization

void flip()

finish drawing on a frame and show the latest frame.

Auxiliary functions

void var(number, x, y, color)

draw a number on designated coodinate and color.

void msg(string, x, y, color)

draw a string on designated coodinate and color.