3D-Action-RPG-JavaScript/src/movement.js at main · hdevx/3D-Action-RPG-JavaScript · GitHub

Repository navigation

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

71

72

73

74

75

76

77

78

79

80

81

82

83

84

85

86

87

88

89

90

91

92

93

94

95

96

97

98

99

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

180

181

182

183

184

185

186

187

188

189

190

191

192

193

194

195

196

197

198

199

200

201

202

203

204

205

206

207

208

209

210

211

212

213

214

215

216

217

218

219

220

221

222

223

224

225

226

227

228

229

230

231

232

233

234

235

236

237

238

239

240

241

242

243

244

245

246

247

248

249

250

251

252

253

254

255

256

257

258

259

260

261

262

263

264

265

266

267

268

269

270

271

272

273

274

275

276

277

278

279

280

281

282

283

284

285

286

287

288

289

290

291

292

293

294

295

296

297

298

299

300

301

302

303

304

305

306

307

308

309

310

311

312

313

314

315

316

317

318

319

320

321

322

323

324

325

326

327

328

329

330

331

332

333

334

335

336

337

338

339

340

341

342

343

344

345

346

347

348

349

350

351

352

353

354

355

356

357

358

359

360

361

362

363

364

365

366

367

368

369

370

371

372

373

374

375

376

377

378

379

380

381

382

383

384

385

386

387

388

389

390

391

392

393

394

395

396

397

398

399

400

401

402

403

404

405

406

407

408

409

410

411

412

413

414

415

416

417

418

419

420

421

422

423

424

425

426

427

428

429

430

431

432

433

434

435

436

437

438

439

440

441

442

443

444

445

446

447

448

449

450

451

452

453

454

455

456

457

458

459

460

461

462

463

464

465

466

467

468

469

470

471

472

473

474

475

476

477

478

479

480

481

482

483

484

485

486

487

488

489

490

491

492

493

494

495

496

497

498

499

500

501

502

503

504

505

506

507

508

509

510

511

512

513

514

515

516

517

518

519

520

521

522

523

524

525

526

527

528

529

530

531

532

533

534

535

536

537

538

539

540

541

542

543

544

545

546

547

548

549

import { SPELLS } from './combat/SPELLS.js';

export function setupInputHandling(scene, character, camera, hero, anim, engine, dummyAggregate) {

inputMap = {};

scene.actionManager = new BABYLON.ActionManager(scene);

scene.actionManager.registerAction(new BABYLON.ExecuteCodeAction(BABYLON.ActionManager.OnKeyDownTrigger, function (evt) {

var key = evt.sourceEvent.key;

inputMap[key.match(/[a-zA-Z]/) ? key.toLowerCase() : key] = evt.sourceEvent.type === "keydown";

}));

scene.actionManager.registerAction(new BABYLON.ExecuteCodeAction(BABYLON.ActionManager.OnKeyUpTrigger, function (evt) {

// inputMap[evt.sourceEvent.key] = evt.sourceEvent.type === "keydown";

var key = evt.sourceEvent.key;

inputMap[key.match(/[a-zA-Z]/) ? key.toLowerCase() : key] = evt.sourceEvent.type === "keydown";

// console.log(evt.sourceEvent.key);

}));

scene.onBeforeRenderObservable.add(() => handleCharacterMovement(inputMap, character, camera, hero, anim, engine, dummyAggregate));

// todo move to own function

// Function to get canvas-relative touch position

const canvas = document.getElementById("renderCanvas");

function getCanvasRelativePosition(event) {

const rect = canvas.getBoundingClientRect();

const touch = event.touches[0]; // Get the first touch

const xPos = touch.clientX - rect.left;

const yPos = touch.clientY - rect.top;

return new BABYLON.Vector2(xPos, yPos);

}

// Function to move character towards a point

function pickTerrain(scene, x, y) {

// Convert screen coordinates to a ray in world space

var ray = scene.createPickingRay(x, y, BABYLON.Matrix.Identity(), scene.activeCamera);

// Predicate function to identify the terrain

var predicate = function (mesh) {

return mesh.isPickable && mesh.isEnabled() && mesh.name === "ground"; // Ensure it's the terrain

};

// Execute raycasting with the predicate to ensure only terrain is considered

var hit = scene.pickWithRay(ray, predicate);

if (hit.hit) {

// console.log("Terrain was hit at:", hit.pickedPoint);

// Additional logic can be added here, e.g., moving an object to the hit location

} else {

// console.log("No terrain was hit");

}

return hit;

}

function pickEnemy(scene, x, y) {

// Convert screen coordinates to a ray in world space

var ray = scene.createPickingRay(x, y, BABYLON.Matrix.Identity(), scene.activeCamera);

// Predicate function to identify the terrain

var predicate = function (mesh) {

return mesh.isPickable && mesh.isEnabled() && mesh.name === "enemyClone.Sphere"; // Ensure it's the terrain

};

// Execute raycasting with the predicate to ensure only terrain is considered

var hit = scene.pickWithRay(ray, predicate);

if (hit.hit) {

console.log("enemy was hit");

return true;

// Additional logic can be added here, e.g., moving an object to the hit location

} else {

return false;

console.log("enemy was hit");

// console.log("No terrain was hit");

}

return hit;

}

function moveCharacterToPoint(point, character, scene) {

// const pickResult = scene.pick(point.x, point.y);

// if hit an enemy, don't move just attack

const hitEnemy = pickEnemy(scene, point.x, point.y);

const pickResult = pickTerrain(scene, point.x, point.y);

if (pickResult.hit && !hitEnemy) {

const distanceToTarget = BABYLON.Vector3.Distance(character.position, pickResult.pickedPoint);

if (distanceToTarget > attackDistance) {

const target = pickResult.pickedPoint;

character.touchTarget = target;

}

} else {

const direction = pickResult.pickedPoint.subtract(character.position).normalize();

let forwardAngle = Math.atan2(direction.x, direction.z);

hero.rotationQuaternion = BABYLON.Quaternion.RotationYawPitchRoll(forwardAngle, 3.14, 0);

var rotationQuaternion = BABYLON.Quaternion.RotationYawPitchRoll(Math.PI, 0, 0);

hero.rotationQuaternion = rotationQuaternion.multiply(hero.rotationQuaternion);

console.log("hit close");

}

}

let characterSpeed = 5; // Speed of the character moving towards the target

// scene.onBeforeRenderObservable.add(() => moveToTargetPoint());

function moveToTargetPoint() {

if (!character) return; // Check if character and targetPoint are defined

}

// Add touch event listener to canvas

canvas.addEventListener("touchstart", function (event) {

const point = getCanvasRelativePosition(event);

// if (point.isEnemy) {attack}

// else

moveCharacterToPoint(point, character, scene);

// character.target = character.position;

});

}

function handleGamepadInput(gamepad, character) {

gamepad.onleftstickchanged((values) => {

// Using the left stick to move the character or adjust camera angle

let inputVelocity = new BABYLON.Vector3(values.x, 0, values.y).scaleInPlace(0.1);

character.moveWithCollisions(inputVelocity);

});

gamepad.onbuttondown((button) => {

if (button === BABYLON.Xbox360Button.A) {

// Jump action, for example

let jumpImpulse = new BABYLON.Vector3(0, 10, 0);

if (character.physicsImpostor) {

character.physicsImpostor.applyImpulse(jumpImpulse, character.getAbsolutePosition());

}

}

});

// Add more button interactions as needed

}

function DoCombo() {

if (combo >= 3) combo = 0;

combo += 1;

// console.log(combo);

return combo;

}

// Function to handle mouse clicks

// attack anim time

let lastClickTime = 0;

let firstAttack = false;

let secondAttack = false;

function handleClick() {

// Set the variable to true on click

if (mouseIsActive || thirdAttack || firstAttack || secondAttack) { return; }

if (mobileMoving) return;

console.log(mobileMoving);

// const distanceToTarget = BABYLON.Vector3.Distance(character.position, character.touchTarget);

// if (distanceToTarget > attackDistance)

// return;

// clearTimeout(handleClick.thirdAttackWindowTimer);

const currentTime = Date.now();

// Check if the last click was within 700 milliseconds

if (currentTime - lastClickTime <= 500) {

clearTimeout(handleClick.thirdAttackTimer);

if (canTryThirdCombo && !firstAttack && !secondAttack) {

thirdAttack = true;

handleClick.thirdAttackTimer = setTimeout(() => {

thirdAttack = false;

if (PLAYER.target && targetBaseOnCameraView) rotateToTarget();

if (PLAYER.target) SPELLS.heavySwing.cast(PLAYER.health, PLAYER.target.health);

}, 400);

} else {

}

} else {

// thirdAttack = false;

}

lastClickTime = currentTime;

clearTimeout(handleClick.firstTimer);

clearTimeout(handleClick.secondTimer);

if (thirdAttack) return;

let comboVal = DoCombo();

// console.log(comboVal);

if (comboVal == 1) {

canTryThirdCombo = true;

mouseIsActive = true;

firstAttack = true;

handleClick.firstTimer = setTimeout(() => {

mouseIsActive = false;

firstAttack = false;

if (PLAYER.target && targetBaseOnCameraView) rotateToTarget();

if (PLAYER.target) SPELLS.quickSwing.cast(PLAYER.health, PLAYER.target.health);

}, 100); //handle with engine time

} else {

mouseIsActive = true;

secondAttack = true;

handleClick.secondTimer = setTimeout(() => {

mouseIsActive = false;

secondAttack = false;

if (PLAYER.target && targetBaseOnCameraView) rotateToTarget();

if (PLAYER.target) SPELLS.quickSwing.cast(PLAYER.health, PLAYER.target.health);

}, 100);

}

}

// mousedown versus click

// document.getElementById("renderCanvas").addEventListener('click', handleClick);

window.addEventListener('keydown', onKeyDown);

function onKeyDown(event) {

if (event.key === "f") SPRINTING = !SPRINTING;

// if (event.key === "Shift"){} SPRINTING = !SPRINTING;

if (event.key === "4") {

DoCombo();

}

if (event.key === "5") {

SPELLS.heavySwing.cast(PLAYER.health, PLAYER.target.health);

}

if (event.key === "c") {

SPELLS.fireball.cast(PLAYER.health, PLAYER.target.health);

}

}

function rotateToTarget() {

var forwardTarget = PLAYER.target.position.subtract(PLAYER.position).normalize();

forwardTarget.y = 0; // Ensure the player only moves horizontally

var forwardAngleTarget = Math.atan2(forwardTarget.x, forwardTarget.z);

PLAYER.health.rotationCheck.rotationQuaternion = BABYLON.Quaternion.RotationYawPitchRoll(forwardAngleTarget, 3.14, 0);

var rotationQuaternion = BABYLON.Quaternion.RotationYawPitchRoll(Math.PI, 0, 0);

PLAYER.health.rotationCheck.rotationQuaternion = rotationQuaternion.multiply(PLAYER.health.rotationCheck.rotationQuaternion);

// shouldRotateToTarget = false;

}

let shouldRotateToTarget = false;

let combo = 0;

let SPRINTING = false;

let normalSpeed = 80.0;

let rollSpeed = 1.6;

let sprintSpeed = 1.5;

let speed = normalSpeed;

let lastMoveDirection = BABYLON.Vector3.Zero();

let mobileMoving = false;

let mouseIsActive = false;

let attackDistance = 17.0;

let thirdAttack = false;

let canTryThirdCombo = false;

function handleCharacterMovement(inputMap, character, camera, hero, anim, engine, dummyAggregate) {

var currentVerticalVelocity = dummyAggregate.body.getLinearVelocity().y;

var forward = camera.getFrontPosition(1).subtract(camera.position).normalize().scaleInPlace(speed);

forward.y = 0; // Ensure the player only moves horizontally

// fix the player stopping moving when camera above

var forwardAngle = Math.atan2(forward.x, forward.z);

// Set the character's rotation to face the direction the camera is looking

var right = forward.clone().rotateByQuaternionAroundPointToRef(

BABYLON.Quaternion.FromEulerAngles(0, Math.PI / 2, 0),

BABYLON.Vector3.Zero(),

new BABYLON.Vector3()

);

// if (shouldRotateToTarget) {

// }

// let moveDirection = dummyAggregate.body.getLinearVelocity();

let moveDirection = new BABYLON.Vector3(lastMoveDirection.x, lastMoveDirection.y, lastMoveDirection.z);

if (!anim.Roll.isPlaying && !anim.Attack.isPlaying) {

moveDirection = new BABYLON.Vector3(0, dummyAggregate.body.getLinearVelocity().y, 0);

}

// let moveDirection = dummyAggregate.body.getLinearVelocity();

if (inputMap["w"] || inputMap["ArrowUp"]) {

moveDirection.addInPlace(forward); // Forward

hero.rotationQuaternion = BABYLON.Quaternion.RotationYawPitchRoll(forwardAngle, 3.14, 0);

var rotationQuaternion = BABYLON.Quaternion.RotationYawPitchRoll(Math.PI, 0, 0);

hero.rotationQuaternion = rotationQuaternion.multiply(hero.rotationQuaternion);

if (!anim.Roll.isPlaying && !anim.Attack.isPlaying && !anim.Combo.isPlaying) {

for (let key in anim) {

if (anim.hasOwnProperty(key) && anim[key].isPlaying) {

if (key !== 'Running') anim[key].stop();

}

}

anim.Running.start(true, 1.1, anim.Running.from, anim.Running.to, false);

}

// anim.Running.play();

// anim.Running.weight = 0.5;

// scene.beginAnimation(hero, anim.Running.from, anim.Running.to, true);

// anim.Running._weight = 1;

}

if (inputMap["s"] || inputMap["ArrowDown"]) {

moveDirection.subtractInPlace(forward);

hero.rotationQuaternion = BABYLON.Quaternion.RotationYawPitchRoll(forwardAngle, 3.14, 0);

if (!anim.Roll.isPlaying && !anim.Attack.isPlaying && !anim.Combo.isPlaying) {

for (let key in anim) {

if (anim.hasOwnProperty(key) && anim[key].isPlaying) {

if (key !== 'Running') anim[key].stop();

}

}

anim.Running.start(true, 1.1, anim.Running.from, anim.Running.to, false);

}

}

if (inputMap["q"] || inputMap["ArrowLeft"]) {

moveDirection.subtractInPlace(right.scaleInPlace(0.7));

hero.rotationQuaternion = BABYLON.Quaternion.RotationYawPitchRoll(forwardAngle, 3.14, 0);

var rotationQuaternion = BABYLON.Quaternion.RotationYawPitchRoll(Math.PI / 2, 0, 0);

hero.rotationQuaternion = rotationQuaternion.multiply(hero.rotationQuaternion);

if (!anim.Roll.isPlaying && !anim.Attack.isPlaying && !anim.Combo.isPlaying) {

for (let key in anim) {

if (anim.hasOwnProperty(key) && anim[key].isPlaying) {

if (key !== 'Running') anim[key].stop();

}

}

anim.Running.start(true, 1.1, anim.Running.from, anim.Running.to, false);

}

}

if (inputMap["e"] || inputMap["ArrowRight"]) {

moveDirection.addInPlace(right.scaleInPlace(0.7));

hero.rotationQuaternion = BABYLON.Quaternion.RotationYawPitchRoll(forwardAngle, 3.14, 0);

var rotationQuaternion = BABYLON.Quaternion.RotationYawPitchRoll(-Math.PI / 2, 0, 0);

hero.rotationQuaternion = rotationQuaternion.multiply(hero.rotationQuaternion);

if (!anim.Roll.isPlaying && !anim.Attack.isPlaying && !anim.Combo.isPlaying) {

for (let key in anim) {

if (anim.hasOwnProperty(key) && anim[key].isPlaying) {

if (key !== 'Running') anim[key].stop();

}

}

anim.Running.start(true, 1.1, anim.Running.from, anim.Running.to, false);

}

}

// do for all four directions

if (inputMap["q"] && inputMap["w"]) {

hero.rotationQuaternion = BABYLON.Quaternion.RotationYawPitchRoll(forwardAngle, 3.14, 0);

var rotationQuaternion = BABYLON.Quaternion.RotationYawPitchRoll(3 * Math.PI / 4, 0, 0);

hero.rotationQuaternion = rotationQuaternion.multiply(hero.rotationQuaternion);

moveDirection.scaleInPlace(0.72);

}

if (SPRINTING) {

moveDirection = forward.scaleInPlace(sprintSpeed); // fix running in air when sprinting

hero.rotationQuaternion = BABYLON.Quaternion.RotationYawPitchRoll(forwardAngle, 3.14, 0);

var rotationQuaternion = BABYLON.Quaternion.RotationYawPitchRoll(Math.PI, 0, 0);

hero.rotationQuaternion = rotationQuaternion.multiply(hero.rotationQuaternion);

if (!anim.Roll.isPlaying && !anim.Attack.isPlaying && !anim.Combo.isPlaying) {

for (let key in anim) {

if (anim.hasOwnProperty(key) && anim[key].isPlaying) {

if (key !== 'Running') anim[key].stop();

}

}

anim.Running.start(true, 1.5, anim.Running.from, anim.Running.to, false);

}

}

if (moveDirection.length() > 0) {

// character.moveWithCollisions(moveDirection);

// if (!anim.Roll.isPlaying) {

// }

moveDirection.y = currentVerticalVelocity;

dummyAggregate.body.setLinearVelocity(moveDirection);

if (anim.Roll.isPlaying || anim.Attack.isPlaying || anim.Combo.isPlaying) {

// dummyAggregate.body.setLinearVelocity(moveDirection.scaleInPlace(0.5 * rollSpeed));

} else {

lastMoveDirection = moveDirection;

}

}

if (!inputMap["w"] && !inputMap["s"] && !inputMap["q"] && !inputMap["e"] && !SPRINTING && !mobileMoving) {

//Default animation is idle when no key is down

// anim.BreathingIdle.start(true, 1.0, anim.BreathingIdle.from, anim.BreathingIdle.to, true);

anim.Running.stop();

// for (let key in anim) {

// if (anim.hasOwnProperty(key) && anim[key].isPlaying) {

// if (key !== 'BreathingIdle')anim[key].stop();

// }

// }

if (!anim.Roll.isPlaying && !anim.SelfCast.isPlaying && !anim.Attack.isPlaying && !anim.Combo.isPlaying) {

anim.BreathingIdle.play(true);

}

// console.log()

// const noYMovementOnSlope = new BABYLON.Vector3(character.position.x, character.position.y, character.position.z);

// dummyAggregate.body.setTargetTransform(noYMovementOnSlope);

// dummyAggregate.body.setLinearVelocity(noYMovementOnSlope);

//Stop all animations besides Idle Anim when no key is down

// sambaAnim.stop();

// console.log(anim.Running._weight);

// if (anim.Running._weight >= -1 ) {

// anim.Running._weight -= 0.03;

// }

// walkBackAnim.stop();

}

let combo1length = anim.Combo.from + 60;

let combo2length = anim.Combo.from + 110;

// combo

if (inputMap["4"] || mouseIsActive && !thirdAttack) {

anim.BreathingIdle.stop();

anim.Running.stop();

if (!anim.Roll.isPlaying && !anim.Running.isPlaying) {

for (let key in anim) {

if (anim.hasOwnProperty(key) && anim[key].isPlaying) {

if (key !== 'Combo') anim[key].stop();

}

}

if (combo === 1) {

// anim.Combo.start(false, 1.8, combo1length -5, combo2length, true);

combo += 1;

}

if (combo === 2) {

anim.Combo.start(false, 1.6, combo2length, anim.Combo.to - 65, true);

}

if (combo === 3) {

anim.Combo.start(false, 1.6, anim.Combo.from + 25, combo1length, true);

combo = 0;

}

}

}

// todo replace input map with keyrebind

// todo replace with spell system.

if (inputMap["5"] || thirdAttack) {

anim.BreathingIdle.stop();

anim.Running.stop();

if (!anim.Roll.isPlaying && !anim.Running.isPlaying) {

for (let key in anim) {

if (anim.hasOwnProperty(key) && anim[key].isPlaying) {

if (key !== 'Attack') anim[key].stop();

}

}

anim.Attack.start(false, 1.3, anim.Attack.from, anim.Attack.to - 20, true);

// spawn effect

}

}

if (inputMap["c"]) {

// anim.Running.stop();

if (!anim.Roll.isPlaying && !anim.Running.isPlaying) {

for (let key in anim) {

if (anim.hasOwnProperty(key) && anim[key].isPlaying) {

if (key !== 'SelfCast') anim[key].stop();

}

}

// anim.SelfCast.play();

anim.SelfCast.start(false, 1.0, anim.SelfCast.from, anim.SelfCast.to - 50, true);

}

}

if (inputMap[" "]) {

anim.BreathingIdle.stop();

anim.Running.stop();

anim.Roll.start(false, 2.0, anim.Roll.from, anim.Roll.to, true);

// speed = rollSpeed;

// setTimeout(() => speed = normalSpeed, 800);

}

if (inputMap["v"]) {

// let jumpImpulse = new BABYLON.Vector3(0, 20, 0);

anim.Jump.start(false, 1.0, anim.Jump.from + 30, anim.Jump.to - 40, false);

if (character.physicsImpostor) {

// character.physicsImpostor.applyImpulse(jumpImpulse, character.getAbsolutePosition());

}

}

const characterSpeed = 3000;

if (character.touchTarget) {

const distanceToTarget = BABYLON.Vector3.Distance(character.position, character.touchTarget);

if (distanceToTarget > attackDistance) { //mobileMoveDistance // Provide a threshold to stop moving when close enough

const direction = character.touchTarget.subtract(character.position).normalize();

const step = direction.scale(characterSpeed / 60); // Assuming about 60 FPS

// character.position.addInPlace(step);

dummyAggregate.body.setLinearVelocity(step);

let forwardAngle = Math.atan2(direction.x, direction.z);

hero.rotationQuaternion = BABYLON.Quaternion.RotationYawPitchRoll(forwardAngle, 3.14, 0);

var rotationQuaternion = BABYLON.Quaternion.RotationYawPitchRoll(Math.PI, 0, 0);

hero.rotationQuaternion = rotationQuaternion.multiply(hero.rotationQuaternion);

// if (!anim.Roll.isPlaying && !anim.Attack.isPlaying && !anim.Combo.isPlaying){

// for (let key in anim) {

// if (anim.hasOwnProperty(key) && anim[key].isPlaying) {

// if (key !== 'Running')anim[key].stop();

// }

// }

// anim.Running.start(true, 1.1, anim.Running.from, anim.Running.to, false);

// }

mobileMoving = true;

anim.Running.start(true, 1.1, anim.Running.from, anim.Running.to, false);

} else {

mobileMoving = false;

// character.position.copyFrom(character.touchTarget); // Snap to the target position to stop movement

// Optionally, remove this observer if no longer needed

// scene.onBeforeRenderObservable.remove(moveToTargetObserver);

}

}

}

function stopAllAnimations() {

for (let key in anim) {

if (anim.hasOwnProperty(key) && anim[key].isPlaying) {

anim[key].stop();

}

}

}