entity-spawner
Version:
A time determinist 2D entity emitter for your entity/particle system
161 lines (160 loc) • 17.8 kB
JavaScript
module.exports = [
{
"desc": "nothing should be triggered in [1,900]ms of a 1s spawner",
"spawner": {
"initialTime": 0,
"speed": 1000
},
"expected": [],
"time": {
"from": 1,
"to": 900,
"step": 100
},
"heads":[{"time":898,"result":[{"trigger":true,"angleFrom":0,"angleTo":0,"p":0.898,"angle":0}]}]
},
{
"desc": "a basic spawning",
"spawner": {
"initialTime": 0,
"speed": 333
},
"expected": [{"timeIndex":1,"countIndex":0,"angle":0,"position":[0,0],"velocity":[0,0],"direction":[1,0],"random1":0.1190478488296032,"random2":0.43063376562320943},{"timeIndex":2,"countIndex":0,"angle":0,"position":[0,0],"velocity":[0,0],"direction":[1,0],"random1":0.9867355410729263,"random2":0.9358536341950384}],
"time": {
"from": 1,
"to": 900,
"step": 100
},
"heads":[{"time":898,"result":[{"trigger":true,"angleFrom":0,"angleTo":0,"p":0.6966966966966965,"angle":0}]}]
},
{
"desc": "a rotating spawning",
"spawner": {
"initialTime": 0,
"speed": 1000,
"rot": Math.PI/2,
"pos": [42, 57],
"ang": Math.PI,
"vel": 1,
"front": 10
},
"expected": [{"timeIndex":1,"countIndex":0,"angle":4.71238898038469,"position":[42,47],"velocity":[-1.836909530733566e-16,-1],"direction":[-1.836909530733566e-16,-1],"random1":0.1190478488296032,"random2":0.43063376562320943},{"timeIndex":2,"countIndex":0,"angle":6.283185307179586,"position":[52,57],"velocity":[1,-2.4492127076447545e-16],"direction":[1,-2.4492127076447545e-16],"random1":0.9867355410729263,"random2":0.9358536341950384}],
"time": {
"from": 0,
"to": 2000,
"step": 100
},
"heads":[{"time":1998,"result":[{"trigger":true,"angleFrom":-1.5707963267948966,"angleTo":0,"p":0.998,"angle":-0.003141592653589796}]}]
},
{
"desc": "another rotating spawning",
"spawner": {
"initialTime": 0,
"speed": 10,
"rot": Math.PI/6,
"pos": [420, 507],
"ang": Math.PI,
"vel": 0.2,
"front": 20
},
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"time": {
"from": 0,
"to": 200,
"step": 40
},
"heads":[{"time":198,"result":[{"trigger":true,"angleFrom":0.5235987755982983,"angleTo":1.0471975511965965,"p":0.8000000000000007,"angle":0.9424777960769373}]}]
},
{
"desc": "simple pattern",
"spawner": {
"initialTime": 0,
"speed": 100,
"rot": 0,
"pos": [420, 507],
"ang": 3,
"vel": 0.2,
"front": 20,
"pattern": [2, -1, 3, -2]
},
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"time": {
"from": 0,
"to": 850,
"step": 4
},
"heads":[{"time":848,"result":[{"trigger":true,"angleFrom":3,"angleTo":3,"p":0.4800000000000004,"angle":3}]}]
},
{
"desc": "randomness1",
"spawner": {
"initialTime": 0,
"speed": 100,
"pos": [420, 507],
"rot": 1,
"ang": 1,
"vel": 0.2,
"randPos": 10,
"randAng": 0.5,
"randVel": 0.1,
"seed": "foo"
},
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{
"desc": "randomness2",
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"rot": 1,
"ang": 1,
"vel": 0.2,
"randPos": 10,
"randAng": 0.5,
"randVel": 0.1,
"seed": "bar"
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{"time":850,"result":[{"trigger":true,"angleFrom":2.7168146928204138,"angleTo":3.7168146928204138,"p":0.5,"angle":3.2168146928204138}]}
]
},
{
"desc": "count",
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"rot": 1,
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"seed": "bar"
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]
}
];