DEV/flutter_flutter
1
0
Fork 0
mirror of https://github.com/flutter/flutter.git synced 2026-02-20 02:29:02 +08:00
Code Issues Packages Projects Releases Wiki Activity

Adds forwarding of properties to box2d in sprite physics

Browse Source
This commit is contained in:
Viktor Lidholt 2015-10-06 09:59:16 -07:00
parent bf4342fa9a
commit 64fd2b192d
1 changed files with 64 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

76
skysprites/lib/physics_body.dart
View File

@ -13,10 +13,10 @@ class PhysicsBody {
double friction: 0.0,
double restitution: 0.0,
bool isSensor: false,
this.linearVelocity: Offset.zero,
this.angularVelocity: 0.0,
Offset linearVelocity: Offset.zero,
double angularVelocity: 0.0,
this.linearDampening: 0.0,
this.angularDampening: 0.0,
double awakeangularDampening: 0.0,
this.allowSleep: true,
this.awake: true,
this.fixedRotation: false,
@ -28,11 +28,15 @@ class PhysicsBody {
this.friction = friction;
this.restitution = restitution;
this.isSensor = isSensor;
this.linearVelocity = linearVelocity;
this.angularVelocity = angularVelocity;
this.angularDampening = angularDampening;
}
Object tag;
PhysicsShape shape;
final PhysicsShape shape;
PhysicsBodyType type;
@ -45,7 +49,7 @@ class PhysicsBody {
if (_body == null)
return;
for(box2d.Fixture f = _body.getFixtureList(); f != null; f = f.getNext()) {
for (box2d.Fixture f = _body.getFixtureList(); f != null; f = f.getNext()) {
f.setDensity(density);
}
}
@ -59,7 +63,7 @@ class PhysicsBody {
if (_body == null)
return;
for(box2d.Fixture f = _body.getFixtureList(); f != null; f = f.getNext()) {
for (box2d.Fixture f = _body.getFixtureList(); f != null; f = f.getNext()) {
f.setFriction(friction);
}
}
@ -73,7 +77,7 @@ class PhysicsBody {
if (_body == null)
return;
for(box2d.Fixture f = _body.getFixtureList(); f != null; f = f.getNext()) {
for (box2d.Fixture f = _body.getFixtureList(); f != null; f = f.getNext()) {
f.setRestitution(restitution);
}
}
@ -87,17 +91,65 @@ class PhysicsBody {
if (_body == null)
return;
for(box2d.Fixture f = _body.getFixtureList(); f != null; f = f.getNext()) {
for (box2d.Fixture f = _body.getFixtureList(); f != null; f = f.getNext()) {
f.setSensor(isSensor);
}
}
Offset linearVelocity;
double angularVelocity;
Offset _linearVelocity;
double linearDampening;
Offset get linearVelocity {
if (_body == null)
return _linearVelocity;
else {
double dx = _body.linearVelocity.x * _physicsNode.b2WorldToNodeConversionFactor;
double dy = _body.linearVelocity.y * _physicsNode.b2WorldToNodeConversionFactor;
return new Offset(dx, dy);
}
}
double angularDampening;
set linearVelocity(Offset linearVelocity) {
_linearVelocity = linearVelocity;
if (_body != null) {
Vector2 vec = new Vector2(
linearVelocity.dx / _physicsNode.b2WorldToNodeConversionFactor,
linearVelocity.dy / _physicsNode.b2WorldToNodeConversionFactor
);
_body.linearVelocity = vec;
}
}
double _angularVelocity;
double get angularVelocity {
if (_body == null)
return _angularVelocity;
else
return _body.angularVelocity;
}
set angularVelocity(double angularVelocity) {
_angularVelocity = angularVelocity;
if (_body != null) {
_body.angularVelocity = angularVelocity;
}
}
// TODO: Should this be editable in box2d.Body ?
final double linearDampening;
double _angularDampening;
double get angularDampening => _angularDampening;
set angularDampening(double angularDampening) {
_angularDampening = angularDampening;
if (_body != null)
_body.angularDamping = angularDampening;
}
bool allowSleep;