three.js/editor/examples/particles.app.json

{
	"metadata": {
		"type": "App"
	},
	"project": {
		"shadows": true,
		"editable": true,
		"vr": false
	},
	"camera": {
		"metadata": {
			"version": 4.4,
			"type": "Object",
			"generator": "Object3D.toJSON"
		},
		"object": {
			"uuid": "763F3000-7D7C-4BE6-80B6-914DEEBD9AA2",
			"type": "PerspectiveCamera",
			"name": "Camera",
			"matrix": [0.7071067690849304,-3.398992198810902e-11,-0.7071068286895752,0,-0.2357022613286972,0.9428090453147888,-0.235702246427536,0,0.6666666865348816,0.3333333134651184,0.6666666269302368,0,41.824005126953125,20.912002563476562,41.824005126953125,1],
			"fov": 50,
			"zoom": 1,
			"near": 0.1,
			"far": 100000,
			"focus": 10,
			"aspect": 0.46657381615598886,
			"filmGauge": 35,
			"filmOffset": 0
		}
	},
	"scene": {
		"metadata": {
			"version": 4.4,
			"type": "Object",
			"generator": "Object3D.toJSON"
		},
		"geometries": [
			{
				"uuid": "E80D9EC5-D722-4812-8226-5F355EAC9B96",
				"type": "PlaneGeometry",
				"width": 1000,
				"height": 1000,
				"widthSegments": 1,
				"heightSegments": 1
			}],
		"materials": [
			{
				"uuid": "3A9449D2-62DB-4BB4-ABBD-6F3F9D46DE1A",
				"type": "MeshStandardMaterial",
				"color": 5465019,
				"roughness": 1,
				"metalness": 0,
				"emissive": 0
			},
			{
				"uuid": "F5361474-F5F1-412F-8D99-3699B868092D",
				"type": "SpriteMaterial",
				"color": 16777215
			}],
		"object": {
			"uuid": "3741222A-BD8F-401C-A5D2-5A907E891896",
			"type": "Scene",
			"name": "Scene",
			"matrix": [1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],
			"children": [
				{
					"uuid": "05B57416-1BE5-4A96-BB05-9D9CD112D52B",
					"type": "Mesh",
					"name": "Ground",
					"matrix": [1,0,0,0,0,0.0007959486683830619,-0.9999997019767761,0,0,0.9999997019767761,0.0007959486683830619,0,0,-0.5,0,1],
					"geometry": "E80D9EC5-D722-4812-8226-5F355EAC9B96",
					"material": "3A9449D2-62DB-4BB4-ABBD-6F3F9D46DE1A"
				},
				{
					"uuid": "0A3CB873-07E6-4EEB-830B-68192504111B",
					"type": "Sprite",
					"name": "Particle",
					"matrix": [0.4000000059604645,0,0,0,0,0.4000000059604645,0,0,0,0,0.4000000059604645,0,0,0,0,1],
					"material": "F5361474-F5F1-412F-8D99-3699B868092D"
				},
				{
					"uuid": "40E5CDA4-0E39-4265-9293-3E9EC3207F61",
					"type": "PointLight",
					"name": "PointLight",
					"matrix": [1,0,0,0,0,1,0,0,0,0,1,0,0,11.828879356384277,0,1],
					"color": 16777215,
					"intensity": 1,
					"distance": 0,
					"decay": 1
				}]
		}
	},
	"scripts": {
		"3741222A-BD8F-401C-A5D2-5A907E891896": [
			{
				"name": "Fountain",
				"source": "var original = this.getObjectByName( 'Particle' );\n\nvar particles = [];\n\nfor ( var i = 0; i < 100; i ++ ) {\n\n\tvar particle = original.clone();\n\tparticle.userData.velocity = new THREE.Vector3();\n\tthis.add( particle );\n\n\tparticles.push( particle );\n\n}\n\nfunction update( event ) {\n\t\n\tvar particle = particles.shift();\n\tparticles.push( particle );\n\t\t\n\tvar velocity = particle.userData.velocity;\n\tvelocity.x = Math.random() - 0.5;\n\tvelocity.y = Math.random() + 1;\n\tvelocity.z = Math.random() - 0.5;\n\n\tfor ( var i = 0; i < particles.length; i ++ ) {\n\n\t\tvar particle = particles[ i ];\n\n\t\tvar velocity = particle.userData.velocity;\n\n\t\tvelocity.y -= 0.098;\n\n\t\tparticle.position.add( velocity );\n\n\t\tif ( particle.position.y < 0 ) {\n\n\t\t\tparticle.position.y = 0;\n\n\t\t\tvelocity.y = - velocity.y;\n\t\t\tvelocity.multiplyScalar( 0.6 );\n\n\t\t}\n\n\t}\n\n}"
			}]
	}
}