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Increase thrust while holding keys down to allow very fast speeds

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This commit is contained in:
Freddy 2013-09-23 22:53:35 -07:00
parent 297652a83b
commit 027811e37c
3 changed files with 21 additions and 10 deletions
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2
interface/src/Application.cpp
View file

@ -2820,7 +2820,7 @@ void Application::displayStats() {
char avatarStats[200];
glm::vec3 avatarPos = _myAvatar.getPosition();
sprintf(avatarStats, "Avatar position: %.3f, %.3f, %.3f, yaw = %.2f", avatarPos.x, avatarPos.y, avatarPos.z, _myAvatar.getBodyYaw());
sprintf(avatarStats, "Avatar: pos %.3f, %.3f, %.3f, vel %.1f, yaw = %.2f", avatarPos.x, avatarPos.y, avatarPos.z, glm::length(_myAvatar.getVelocity()), _myAvatar.getBodyYaw());
drawtext(10, statsVerticalOffset + 55, 0.10f, 0, 1.0, 0, avatarStats);

28
interface/src/avatar/MyAvatar.cpp
View file

@ -50,7 +50,8 @@ MyAvatar::MyAvatar(Node* owningNode) :
_elapsedTimeSinceCollision(0.0f),
_lastCollisionPosition(0, 0, 0),
_speedBrakes(false),
_isThrustOn(false)
_isThrustOn(false),
_thrustMultiplier(1.0f)
{
for (int i = 0; i < MAX_DRIVE_KEYS; i++) {
_driveKeys[i] = false;
@ -210,9 +211,10 @@ void MyAvatar::simulate(float deltaTime, Transmitter* transmitter, float gyroCam
const float STATIC_FRICTION_STRENGTH = _scale * 20.f;
applyStaticFriction(deltaTime, _velocity, MAX_STATIC_FRICTION_VELOCITY, STATIC_FRICTION_STRENGTH);
const float LINEAR_DAMPING_STRENGTH = 1.0f;
const float LINEAR_DAMPING_STRENGTH = 0.5f;
const float SPEED_BRAKE_POWER = _scale * 10.0f;
const float SQUARED_DAMPING_STRENGTH = 0.2f;
// Note: PER changed squared damping strength to zero
const float SQUARED_DAMPING_STRENGTH = 0.0f;
if (_speedBrakes) {
applyDamping(deltaTime, _velocity, LINEAR_DAMPING_STRENGTH * SPEED_BRAKE_POWER, SQUARED_DAMPING_STRENGTH * SPEED_BRAKE_POWER);
} else {
@ -626,15 +628,23 @@ void MyAvatar::updateThrust(float deltaTime, Transmitter * transmitter) {
const float THRUST_JUMP = 120.f;
// Add Thrusts from keyboard
if (_driveKeys[FWD]) {_thrust += _scale * THRUST_MAG_FWD * deltaTime * front;}
if (_driveKeys[BACK]) {_thrust -= _scale * THRUST_MAG_BACK * deltaTime * front;}
if (_driveKeys[RIGHT]) {_thrust += _scale * THRUST_MAG_LATERAL * deltaTime * right;}
if (_driveKeys[LEFT]) {_thrust -= _scale * THRUST_MAG_LATERAL * deltaTime * right;}
if (_driveKeys[UP]) {_thrust += _scale * THRUST_MAG_UP * deltaTime * up;}
if (_driveKeys[DOWN]) {_thrust -= _scale * THRUST_MAG_DOWN * deltaTime * up;}
if (_driveKeys[FWD]) {_thrust += _scale * THRUST_MAG_FWD * _thrustMultiplier * deltaTime * front;}
if (_driveKeys[BACK]) {_thrust -= _scale * THRUST_MAG_BACK * _thrustMultiplier * deltaTime * front;}
if (_driveKeys[RIGHT]) {_thrust += _scale * THRUST_MAG_LATERAL * _thrustMultiplier * deltaTime * right;}
if (_driveKeys[LEFT]) {_thrust -= _scale * THRUST_MAG_LATERAL * _thrustMultiplier * deltaTime * right;}
if (_driveKeys[UP]) {_thrust += _scale * THRUST_MAG_UP * _thrustMultiplier * deltaTime * up;}
if (_driveKeys[DOWN]) {_thrust -= _scale * THRUST_MAG_DOWN * _thrustMultiplier * deltaTime * up;}
if (_driveKeys[ROT_RIGHT]) {_bodyYawDelta -= YAW_MAG * deltaTime;}
if (_driveKeys[ROT_LEFT]) {_bodyYawDelta += YAW_MAG * deltaTime;}
// If thrust keys are being held down, slowly increase thrust to allow reaching great speeds
if (_driveKeys[FWD] || _driveKeys[BACK] || _driveKeys[RIGHT] || _driveKeys[LEFT] || _driveKeys[UP] || _driveKeys[DOWN]) {
const float THRUST_INCREASE_RATE = 1.0;
_thrustMultiplier *= 1.f + deltaTime* THRUST_INCREASE_RATE;
} else {
_thrustMultiplier = 1.f;
}
// Add one time jumping force if requested
if (_shouldJump) {
_thrust += _scale * THRUST_JUMP * up;

1
interface/src/avatar/MyAvatar.h
View file

@ -71,6 +71,7 @@ public:
glm::vec3 _lastCollisionPosition;
bool _speedBrakes;
bool _isThrustOn;
float _thrustMultiplier;
float _collisionRadius;
// private methods