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Fixed vehicle steering bug.

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"The distance between the axles must be non zero"
Weird Havok coordinate system for specifying hardpoints was different to our coordinate system. Resulted in wheel axels without any separation!
This commit is contained in:
sippeangelo
2014-04-22 01:45:36 +02:00
parent aa64b7074c
commit 4e5038a163
1 changed files with 15 additions and 16 deletions
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src/Physics/VehicleSetup.cpp
+15 -16
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@@ -59,19 +59,14 @@ void VehicleSetup::buildVehicle(const hkpWorld* world, hkpVehicleInstance& vehic
// Give driver input default values so that the vehicle (if this input is a default for non
// player cars) will drive, even if it is in circles!
// Accelerate.
// Steering Defaults
vehicle.m_deviceStatus = new hkpVehicleDriverInputAnalogStatus;
hkpVehicleDriverInputAnalogStatus* deviceStatus = (hkpVehicleDriverInputAnalogStatus*)vehicle.m_deviceStatus;
deviceStatus->m_positionY = -0.4f;
// Turn.
deviceStatus->m_positionX = 0.3f;
// Defaults
deviceStatus->m_positionY = 0.f;
deviceStatus->m_positionX = 0.f;
deviceStatus->m_handbrakeButtonPressed = false;
deviceStatus->m_reverseButtonPressed = false;
//
// Don't forget to call init! (This function is necessary to set up derived data)
//
@@ -88,7 +83,7 @@ void VehicleSetup::setupVehicleData(const hkpWorld* world, hkpVehicleData& data)
// The coordinates of the chassis system, used for steering the vehicle.
// up forward right
data.m_chassisOrientation.setCols(hkVector4(0, 1, 0), hkVector4(0, 0, 1), hkVector4(-1, 0, 0));
data.m_chassisOrientation.setCols(hkVector4(0, 1, 0), hkVector4(0, 0, -1), hkVector4(1, 0, 0));
data.m_frictionEqualizer = 0.5f;
@@ -273,15 +268,19 @@ void VehicleSetup::setupComponent(const hkpVehicleData& data, hkpVehicleDefaultS
// NB: The hardpoints MUST be positioned INSIDE the chassis.
//
{
const hkReal hardPointFrontX = 1.3f;
const hkReal hardPointBackX = -1.1f;
const hkReal hardPointFrontZ = -1.3f;
const hkReal hardPointBackZ = 1.1f;
const hkReal hardPointY = -0.05f;
const hkReal hardPointZ = 1.1f;
const hkReal hardPointX = 1.1f;
suspension.m_wheelParams[0].m_hardpointChassisSpace.set(hardPointFrontX, hardPointY, -hardPointZ);
suspension.m_wheelParams[1].m_hardpointChassisSpace.set(hardPointFrontX, hardPointY, hardPointZ);
suspension.m_wheelParams[2].m_hardpointChassisSpace.set(hardPointBackX, hardPointY, -hardPointZ);
suspension.m_wheelParams[3].m_hardpointChassisSpace.set(hardPointBackX, hardPointY, hardPointZ);
//suspension.m_wheelParams[0].m_hardpointChassisSpace.set(hardPointFrontX, hardPointY, -hardPointZ);
suspension.m_wheelParams[0].m_hardpointChassisSpace.set(-hardPointX, hardPointY, hardPointFrontZ);
//suspension.m_wheelParams[1].m_hardpointChassisSpace.set(hardPointFrontX, hardPointY, hardPointZ);
suspension.m_wheelParams[1].m_hardpointChassisSpace.set(hardPointX, hardPointY, hardPointFrontZ);
//suspension.m_wheelParams[2].m_hardpointChassisSpace.set(hardPointBackX, hardPointY, -hardPointZ);
suspension.m_wheelParams[2].m_hardpointChassisSpace.set(-hardPointX, hardPointY, hardPointBackZ);
//suspension.m_wheelParams[3].m_hardpointChassisSpace.set(hardPointBackX, hardPointY, hardPointZ);
suspension.m_wheelParams[3].m_hardpointChassisSpace.set(hardPointX, hardPointY, hardPointBackZ);
}
const hkVector4 downDirection(0.0f, -1.0f, 0.0f);