https://github.com/mikolalysenko/game-shell-orbit-camera

Attaches an orbit-camera to a game-shell instance with default key bindings
https://github.com/mikolalysenko/game-shell-orbit-camera

Last synced: about 2 months ago
JSON representation

Attaches an orbit-camera to a game-shell instance with default key bindings

• Host: GitHub
• URL: https://github.com/mikolalysenko/game-shell-orbit-camera
• Owner: mikolalysenko
• License: mit
• Created: 2013-07-07T02:48:18.000Z (over 11 years ago)
• Default Branch: master
• Last Pushed: 2014-05-21T12:06:39.000Z (over 10 years ago)
• Last Synced: 2024-10-20T14:28:20.689Z (2 months ago)
• Language: JavaScript
• Size: 141 KB
• Stars: 10
• Watchers: 6
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

Awesome Lists containing this project

README

        
game-shell-orbit-camera

=======================

Creates a default orbit camera controller for a [game-shell](https://github.com/mikolalysenko/game-shell) instance.  The controls for this are as follows:

* Rotate - Left click

* Pan - Right click or Control + Left click

* Zoom - Scroll or Shift + Left click

## Example

"use strict"

```javascript

var shell = require("gl-now")()

var createMesh = require("gl-mesh")

var simple3DShader = require("simple-3d-shader")

var attachCamera = require("game-shell-orbit-camera")

var glm = require("gl-matrix")

var mat4 = glm.mat4

var shader, mesh

var camera = attachCamera(shell)

camera.lookAt([0, 3, 20], [0, 3, 0], [0, 1, 0])

shell.on("gl-init", function() {

  shader = simple3DShader(shell.gl)

  mesh = createMesh(shell.gl, require("bunny"))

})

shell.on("gl-render", function(t) {

  //Bind shader

  shader.bind()

  //Set camera parameters

  var scratch = mat4.create()

  shader.uniforms.model = scratch

  shader.uniforms.projection = mat4.perspective(scratch, Math.PI/4.0, shell.width/shell.height, 0.1, 1000.0)

  shader.uniforms.view = camera.view(scratch)

  

  //Draw object

  mesh.bind(shader)

  mesh.draw()

  mesh.unbind()

})

```

## Install

    npm install game-shell-orbit-camera

### `require("game-shell-orbit-camera")(shell)`

Attaches a camera to the game-shell instance

**Returns** An instance of [`orbit-camera`](https://github.com/mikolalysenko/orbit-camera)

## Credits

(c) 2013 Mikola Lysenko. MIT License