overte-HifiExperiments/examples/baseball/pitching.js

352 lines
10 KiB
JavaScript

Script.include("line.js");
var AUDIO = {
crowdBoos: [
SoundCache.getSound("atp:c632c92b166ade60aa16b23ff1dfdf712856caeb83bd9311980b2d5edac821af.wav", false)
],
crowdCheers: [
SoundCache.getSound("atp:0821bf2ac60dd2f356dfdd948e8bb89c23984dc3584612f6c815765154f02cae.wav", false),
SoundCache.getSound("atp:b8044401a846ed29f881a0b9b80cf1ba41f26327180c28fc9c70d144f9b70045.wav", false),
],
batHit: [
SoundCache.getSound("atp:6f0b691a0c9c9ece6557d97fe242b1faec4020fe26efc9c17327993b513c5fe5.wav", false),
SoundCache.getSound("atp:5be5806205158ebdc5c3623ceb7ae73315028b51ffeae24292aff7042e3fa6a9.wav", false),
SoundCache.getSound("atp:e68661374e2145c480809c26134782aad11e0de456c7802170c7abccc4028873.wav", false),
SoundCache.getSound("atp:787e3c9af17dd3929527787176ede83d6806260e63ddd5a4cef48cd22e32c6f7.wav", false),
SoundCache.getSound("atp:fc65383431a6238c7a4749f0f6f061f75a604ed5e17d775ab1b2955609e67ebb.wav", false),
]
}
var PITCH_THUNK_SOUND_URL = "http://hifi-public.s3.amazonaws.com/sounds/ping_pong_gun/pong_sound.wav";
var pitchSound = SoundCache.getSound(PITCH_THUNK_SOUND_URL, false);
var PITCHING_MACHINE_URL = "atp:87d4879530b698741ecc45f6f31789aac11f7865a2c3bec5fe9b061a182c80d4.fbx";
var PITCHING_MACHINE_OUTPUT_OFFSET_PCT = {
x: 0.0,
y: 0.25,
z: -1.05,
};
var PITCHING_MACHINE_PROPERTIES = {
name: "Pitching Machine",
type: "Model",
position: {
x: 0,
y: 0.8,
z: -18.3,
},
velocity: {
x: 0,
y: -0.01,
z: 0
},
gravity: {
x: 0.0,
y: -9.8,
z: 0.0
},
registrationPoint: {
x: 0.5,
y: 0.5,
z: 0.5,
},
rotation: Quat.fromPitchYawRollDegrees(0, 180, 0),
modelURL: PITCHING_MACHINE_URL,
dimensions: {
x: 0.4,
y: 0.61,
z: 0.39
},
collisionsWillMove: false,
shapeType: "Box",
};
PITCHING_MACHINE_PROPERTIES.dimensions = Vec3.multiply(2.5, PITCHING_MACHINE_PROPERTIES.dimensions);
var DISTANCE_FROM_PLATE = PITCHING_MACHINE_PROPERTIES.position.z;
var PITCH_RATE = 5000;
var BASEBALL_MODEL_URL = "atp:7185099f1f650600ca187222573a88200aeb835454bd2f578f12c7fb4fd190fa.fbx";
var BASEBALL_MIN_SPEED = 2.7;
var BASEBALL_MAX_SPEED = 5.7;
var BASEBALL_RADIUS = 0.07468;
var BASEBALL_PROPERTIES = {
name: "Baseball",
type: "Model",
modelURL: BASEBALL_MODEL_URL,
shapeType: "Sphere",
position: {
x: 0,
y: 0,
z: 0
},
dimensions: {
x: BASEBALL_RADIUS,
y: BASEBALL_RADIUS,
z: BASEBALL_RADIUS
},
collisionsWillMove: true,
angularVelocity: {
x: 17.0,
y: 0,
z: -8.0,
x: 0.0,
y: 0,
z: 0.0,
},
angularDamping: 0.0,
damping: 0.0,
restitution: 0.5,
friction: 0.0,
lifetime: 20,
//collisionSoundURL: PITCH_THUNK_SOUND_URL,
gravity: {
x: 0,
y: 0,//-9.8,
z: 0
}
};
var pitchingMachineID = Entities.addEntity(PITCHING_MACHINE_PROPERTIES);
var pitchFromPosition = { x: 0, y: 1.0, z: 0 };
var pitchDirection = { x: 0, y: 0, z: 1 };
function shallowCopy(obj) {
var copy = {}
for (var key in obj) {
copy[key] = obj[key];
}
return copy;
}
function randomInt(low, high) {
return Math.floor(randomFloat(low, high));
}
function randomFloat(low, high) {
if (high === undefined) {
high = low;
low = 0;
}
return low + Math.random() * (high - low);
}
function playRandomSound(sounds, options) {
if (options === undefined) {
options = {
volume: 1.0,
position: MyAvatar.position,
}
}
Audio.playSound(sounds[randomInt(sounds.length)], options);
}
function vec3Mult(a, b) {
return {
x: a.x * b.x,
y: a.y * b.y,
z: a.z * b.z,
};
}
function map(value, min1, max1, min2, max2) {
return min2 + (max2 - min2) * ((value - min1) / (max1 - min1));
}
function orientationOf(vector) {
var RAD_TO_DEG = 180.0 / Math.PI;
var Y_AXIS = { x: 0, y: 1, z: 0 };
var X_AXIS = { x: 1, y: 0, z: 0 };
var direction = Vec3.normalize(vector);
var yaw = Quat.angleAxis(Math.atan2(direction.x, direction.z) * RAD_TO_DEG, Y_AXIS);
var pitch = Quat.angleAxis(Math.asin(-direction.y) * RAD_TO_DEG, X_AXIS);
return Quat.multiply(yaw, pitch);
}
var injector = null;
var ACCELERATION_SPREAD = 10.15;
var trail = null;
var trailInterval = null;
function cleanupTrail() {
if (trail) {
Script.clearInterval(this.trailInterval);
trailInterval = null;
trail.destroy();
trail = null;
}
}
function setupTrail(entityID, position) {
cleanupTrail();
var lastPosition = position;
trail = new InfiniteLine(position, { red: 255, green: 128, blue: 89 });
trailInterval = Script.setInterval(function() {
var properties = Entities.getEntityProperties(entityID, ['position']);
if (Vec3.distance(properties.position, lastPosition)) {
trail.enqueuePoint(properties.position);
lastPosition = properties.position;
}
}, 50);
}
function Baseball(position, velocity, ballScale) {
var self = this;
// Setup entity properties
var properties = shallowCopy(BASEBALL_PROPERTIES);
properties.position = position;
properties.velocity = velocity;
properties.dimensions = Vec3.multiply(ballScale, properties.dimensions);
/*
properties.gravity = {
x: randomInt(-ACCELERATION_SPREAD, ACCELERATION_SPREAD),
y: randomInt(-ACCELERATION_SPREAD, ACCELERATION_SPREAD),
z: 0.0,
};
*/
// Create entity
this.entityID = Entities.addEntity(properties);
// Listen for collision for the lifetime of the entity
Script.addEventHandler(this.entityID, "collisionWithEntity", function(entityA, entityB, collision) {
self.collisionCallback(entityA, entityB, collision);
});
/*
if (false && Math.random() < 0.5) {
for (var i = 0; i < 50; i++) {
Script.setTimeout(function() {
Entities.editEntity(entityID, {
gravity: {
x: randomInt(-ACCELERATION_SPREAD, ACCELERATION_SPREAD),
y: randomInt(-ACCELERATION_SPREAD, ACCELERATION_SPREAD),
z: 0.0,
}
})
}, i * 100);
}
}
*/
}
Baseball.prototype = {
collisionCallback: function(entityA, entityB, collision) {
var self = this;
var myProperties = Entities.getEntityProperties(this.entityID, ['position', 'velocity']);
var myPosition = myProperties.position;
var myVelocity = myProperties.velocity;
// Activate gravity
Entities.editEntity(self.entityID, {
gravity: { x: 0, y: -9.8, z: 0 }
});
var name = Entities.getEntityProperties(entityB, ["name"]).name;
print("Hit: " + name);
if (name == "Bat") {
print("HIT");
// Update ball velocity
Entities.editEntity(self.entityID, {
velocity: Vec3.multiply(2, myVelocity),
});
// Setup line update interval
setupTrail(self.entityID, myPosition);
// Setup bat hit sound
playRandomSound(AUDIO.batHit, {
position: myPosition,
volume: 2.0
});
// Setup crowd reaction sound
var speed = Vec3.length(myVelocity);
Script.setTimeout(function() {
playRandomSound((speed < 5.0) ? AUDIO.crowdBoos : AUDIO.crowdCheers, {
position: { x: 0 ,y: 0, z: 0 },
volume: 1.0
});
}, 500);
} else if (name == "stadium") {
print("PARTICLES");
entityCollisionWithGround(entityB, this.entityID, collision);
} else if (name == "backstop") {
print("STRIKE");
}
}
}
function pitchBall() {
var machineProperties = Entities.getEntityProperties(pitchingMachineID, ["dimensions", "position", "rotation"]);
var pitchFromPositionBase = machineProperties.position;
var pitchFromOffset = vec3Mult(machineProperties.dimensions, PITCHING_MACHINE_OUTPUT_OFFSET_PCT);
pitchFromOffset = Vec3.multiplyQbyV(machineProperties.rotation, pitchFromOffset);
var pitchFromPosition = Vec3.sum(pitchFromPositionBase, pitchFromOffset);
var pitchDirection = Quat.getFront(machineProperties.rotation);
var ballScale = machineProperties.dimensions.x / PITCHING_MACHINE_PROPERTIES.dimensions.x;
print("Creating baseball");
var speed = randomFloat(BASEBALL_MIN_SPEED, BASEBALL_MAX_SPEED)
var timeToPassPlate = (DISTANCE_FROM_PLATE + 1.0) / speed;
var baseball = new Baseball(pitchFromPosition, Vec3.multiply(speed, pitchDirection), ballScale);
if (!injector) {
injector = Audio.playSound(pitchSound, {
position: pitchFromPosition,
volume: 1.0
});
} else {
injector.restart();
}
}
function entityCollisionWithGround(ground, entity, collision) {
var ZERO_VEC = { x: 0, y: 0, z: 0 };
var dVelocityMagnitude = Vec3.length(collision.velocityChange);
var position = Entities.getEntityProperties(entity, "position").position;
var particleRadius = 0.3;//map(dVelocityMagnitude, 0.05, 3, 0.5, 2);
var speed = map(dVelocityMagnitude, 0.05, 3, 0.02, 0.09);
var displayTime = 400;
var orientationChange = orientationOf(collision.velocityChange);
var dustEffect = Entities.addEntity({
type: "ParticleEffect",
name: "Dust-Puff",
position: position,
color: {red: 195, green: 170, blue: 185},
lifespan: 3,
lifetime: 2,//displayTime/1000 * 2, //So we can fade particle system out gracefully
emitRate: 5,
emitSpeed: speed,
emitAcceleration: ZERO_VEC,
accelerationSpread: ZERO_VEC,
isEmitting: true,
polarStart: Math.PI/2,
polarFinish: Math.PI/2,
emitOrientation: orientationChange,
radiusSpread: 0.1,
radiusStart: particleRadius,
radiusFinish: particleRadius + particleRadius / 2,
particleRadius: particleRadius,
alpha: 0.45,
alphaFinish: 0.001,
textures: "https://hifi-public.s3.amazonaws.com/alan/Playa/Particles/Particle-Sprite-Gen.png"
});
}
Script.scriptEnding.connect(function() {
cleanupTrail();
Entities.deleteEntity(pitchingMachineID);
});
Script.setInterval(pitchBall, PITCH_RATE);