canvas-orbit-camera
An alternative wrapper for orbit-camera that works independently of game-shell.
Controls are as follows:
- Rotate - Left click
- Pan - Right click or Control + Left click
- Zoom - Scroll or Shift + Left click
Based heavily on game-shell-orbit-camera.
Usage
camera = createCamera(canvas[, options])
Attaches a modified orbit-camera
instance to the canvas
– attaching the
required event listeners for interaction.
The following options are available:
rotate
: disable rotation interactions by passingfalse
.scale
: disable scaling interactions by passingfalse
.pan
: disable panning interactions by passingfalse
.
See the orbit-camera documentation for a full list of available methods.
camera.tick()
Call this at the beginning of each frame to update the current position of the camera.
camera.view([out])
Returns the current view matrix associated by the camera: a 16-element (4x4)
Float32Array
instance. Optionally, you can pass in your own array out
here
too.
Example
var canvas = documentbodyvar createCamera =var raf =var camera ={// Returns your view matrix for youvar view = cameracamera}
License
MIT. See LICENSE.md for details.