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Issue 1179413009: Adds basic touch handling to sprites and optimizes transformations (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: Created 5 years, 6 months ago
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1 part of game; 1 part of game;
2 2
3 const double _steeringThreshold = 0.0; 3 const double _steeringThreshold = 0.0;
4 const double _steeringMax = 150.0; 4 const double _steeringMax = 150.0;
5 5
6 class GameDemoBox extends SpriteBox { 6 class GameDemoBox extends SpriteBox {
7 7
8 GameDemoBox(GameDemoWorld game) : super(game, SpriteBoxTransformMode.letterbox ); 8 GameDemoBox(GameDemoWorld game) : super(game, SpriteBoxTransformMode.letterbox );
9 9
10 GameDemoWorld get _gameWorld => this.rootNode; 10 GameDemoWorld get _gameWorld => this.rootNode;
11 11
12 // Handle pointers 12 // Handle pointers
13 int _firstPointer = -1; 13 int _firstPointer = -1;
14 int _secondPointer = -1; 14 int _secondPointer = -1;
15 Point _firstPointerDownPos; 15 Point _firstPointerDownPos;
16 16
17 void handleEvent(Event event, BoxHitTestEntry entry) { 17 // void handleEvent(Event event, BoxHitTestEntry entry) {
18 if (event is PointerEvent) { 18 // if (event is PointerEvent) {
19 Point pointerPos = new Point(event.x, event.y); 19 // Point pointerPos = new Point(event.x, event.y);
20 int pointer = event.pointer; 20 // int pointer = event.pointer;
21 21 //
22 switch (event.type) { 22 // switch (event.type) {
23 case 'pointerdown': 23 // case 'pointerdown':
24 if (_firstPointer == -1) { 24 // if (_firstPointer == -1) {
25 // Assign the first pointer 25 // // Assign the first pointer
26 _firstPointer = pointer; 26 // _firstPointer = pointer;
27 _firstPointerDownPos = pointerPos; 27 // _firstPointerDownPos = pointerPos;
28 } 28 // }
29 else if (_secondPointer == -1) { 29 // else if (_secondPointer == -1) {
30 // Assign second pointer 30 // // Assign second pointer
31 _secondPointer = pointer; 31 // _secondPointer = pointer;
32 _gameWorld.controlFire(); 32 // _gameWorld.controlFire();
33 } 33 // }
34 else { 34 // else {
35 // There is a pointer used for steering, let's fire instead 35 // // There is a pointer used for steering, let's fire instead
36 _gameWorld.controlFire(); 36 // _gameWorld.controlFire();
37 } 37 // }
38 break; 38 // break;
39 case 'pointermove': 39 // case 'pointermove':
40 if (pointer == _firstPointer) { 40 // if (pointer == _firstPointer) {
41 // Handle turning control 41 // // Handle turning control
42 double joystickX = 0.0; 42 // double joystickX = 0.0;
43 double deltaX = pointerPos.x - _firstPointerDownPos.x; 43 // double deltaX = pointerPos.x - _firstPointerDownPos.x;
44 if (deltaX > _steeringThreshold || deltaX < -_steeringThreshold) { 44 // if (deltaX > _steeringThreshold || deltaX < -_steeringThreshold) {
45 joystickX = (deltaX - _steeringThreshold)/(_steeringMax - _steerin gThreshold); 45 // joystickX = (deltaX - _steeringThreshold)/(_steeringMax - _steer ingThreshold);
46 if (joystickX > 1.0) joystickX = 1.0; 46 // if (joystickX > 1.0) joystickX = 1.0;
47 if (joystickX < -1.0) joystickX = -1.0; 47 // if (joystickX < -1.0) joystickX = -1.0;
48 } 48 // }
49 49 //
50 double joystickY = 0.0; 50 // double joystickY = 0.0;
51 double deltaY = pointerPos.y - _firstPointerDownPos.y; 51 // double deltaY = pointerPos.y - _firstPointerDownPos.y;
52 if (deltaY > _steeringThreshold || deltaY < -_steeringThreshold) { 52 // if (deltaY > _steeringThreshold || deltaY < -_steeringThreshold) {
53 joystickY = (deltaY - _steeringThreshold)/(_steeringMax - _steerin gThreshold); 53 // joystickY = (deltaY - _steeringThreshold)/(_steeringMax - _steer ingThreshold);
54 if (joystickY > 1.0) joystickY = 1.0; 54 // if (joystickY > 1.0) joystickY = 1.0;
55 if (joystickY < -1.0) joystickY = -1.0; 55 // if (joystickY < -1.0) joystickY = -1.0;
56 } 56 // }
57 57 //
58 _gameWorld.controlSteering(joystickX, joystickY); 58 // _gameWorld.controlSteering(joystickX, joystickY);
59 } 59 // }
60 break; 60 // break;
61 case 'pointerup': 61 // case 'pointerup':
62 case 'pointercancel': 62 // case 'pointercancel':
63 if (pointer == _firstPointer) { 63 // if (pointer == _firstPointer) {
64 // Un-assign the first pointer 64 // // Un-assign the first pointer
65 _firstPointer = -1; 65 // _firstPointer = -1;
66 _firstPointerDownPos = null; 66 // _firstPointerDownPos = null;
67 _gameWorld.controlSteering(0.0, 0.0); 67 // _gameWorld.controlSteering(0.0, 0.0);
68 } 68 // }
69 else if (pointer == _secondPointer) { 69 // else if (pointer == _secondPointer) {
70 _secondPointer = -1; 70 // _secondPointer = -1;
71 } 71 // }
72 break; 72 // break;
73 default: 73 // default:
74 break; 74 // break;
75 } 75 // }
76 } 76 // }
77 } 77 // }
78 78
79 } 79 }
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