In the above example, we have a fixed, third-person perspective of our World. But Flora can also provide a first-person perspective from the point of view of an Agent. Setting 'controlCamera' to 'true' on an agent will force Flora's camera to track that agent. Of course, there can only be one agent controlling the World's Camera.
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FloraJS - Camera
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta http-equiv="content-type" content="text/html; charset=UTF-8" /> | |
| <title>FloraJS | Simulate natural systems with JavaScript</title> | |
| <link rel="stylesheet" href="http://www.florajs.com/demos/css/burner.min.css" type="text/css" charset="utf-8" /> | |
| <link rel="stylesheet" href="http://www.florajs.com/demos/css/flora.min.css" type="text/css" charset="utf-8" /> | |
| <script src="http://www.florajs.com/demos/scripts/burner.min.js" type="text/javascript" charset="utf-8"></script> | |
| <script src="http://www.florajs.com/demos/scripts/flora.min.js" type="text/javascript" charset="utf-8"></script> | |
| </head> | |
| <body> | |
| <script type="text/javascript" charset="utf-8"> | |
| Burner.System.init(function() { | |
| this.add('Stimulus', { | |
| type: 'heat', | |
| location: function () { | |
| return new Burner.Vector(this.world.width * 0.25, this.world.height * 0.15); | |
| } | |
| }); | |
| this.add('Stimulus', { | |
| type: 'heat', | |
| location: function () { | |
| return new Burner.Vector(this.world.width * 0.85, this.world.height * 0.15); | |
| } | |
| }); | |
| this.add('Stimulus', { | |
| type: 'heat', | |
| location: function () { | |
| return new Burner.Vector(this.world.width * 0.85, this.world.height * 0.85); | |
| } | |
| }); | |
| this.add('Stimulus', { | |
| type: 'heat', | |
| location: function () { | |
| return new Burner.Vector(this.world.width * 0.15, this.world.height * 0.75); | |
| } | |
| }); | |
| this.add('Stimulus', { | |
| type: 'cold', | |
| location: function () { | |
| return new Burner.Vector(this.world.width * 0.5, this.world.height * 0.5); | |
| } | |
| }); | |
| this.add('Liquid', { | |
| location: function () { | |
| return new Burner.Vector(this.world.width * 0.45, this.world.height * 0.8); | |
| } | |
| }); | |
| this.add('Liquid', { | |
| location: function () { | |
| return new Burner.Vector(this.world.width * 0.65, this.world.height * 0.2); | |
| } | |
| }); | |
| for (var i = 0; i < 5; i ++) { | |
| this.add('Agent', { | |
| sensors: [ | |
| this.add('Sensor', { | |
| type: 'heat', | |
| behavior: 'COWARD' | |
| }), | |
| this.add('Sensor', { | |
| type: 'cold', | |
| behavior: 'ACCELERATE' | |
| }) | |
| ], | |
| velocity: new Burner.Vector(Flora.Utils.getRandomNumber(-1, 1, true), | |
| Flora.Utils.getRandomNumber(-1, 1, true)), | |
| minSpeed: 1, | |
| mass: 10, | |
| motorSpeed: 4, | |
| wrapWorldEdges: true, | |
| controlCamera: !i, | |
| color: !i ? [255, 100, 0] : [197, 177, 115] | |
| }); | |
| } | |
| // | |
| this.add('Caption', { | |
| text: 'Agent controls camera', | |
| opacity: 0.4, | |
| borderColor: 'transparent', | |
| position: 'top center' | |
| }); | |
| this.add('InputMenu', { | |
| opacity: 0.4, | |
| borderColor: 'transparent', | |
| position: 'bottom center' | |
| }); | |
| }, { | |
| gravity: new Burner.Vector(), | |
| c: 0, | |
| borderWidth: 1, | |
| borderStyle: 'dashed', | |
| borderColor: [100, 100, 100] | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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