130 lines
3.5 KiB
C++
130 lines
3.5 KiB
C++
// Redistribution and use in source and binary forms, with or without
|
|
// modification, are permitted provided that the following conditions
|
|
// are met:
|
|
// * Redistributions of source code must retain the above copyright
|
|
// notice, this list of conditions and the following disclaimer.
|
|
// * Redistributions in binary form must reproduce the above copyright
|
|
// notice, this list of conditions and the following disclaimer in the
|
|
// documentation and/or other materials provided with the distribution.
|
|
// * Neither the name of NVIDIA CORPORATION nor the names of its
|
|
// contributors may be used to endorse or promote products derived
|
|
// from this software without specific prior written permission.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
|
|
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
|
|
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
|
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
|
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
|
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
|
|
// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
//
|
|
// Copyright (c) 2008-2025 NVIDIA Corporation. All rights reserved.
|
|
// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
|
|
// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.
|
|
|
|
#include "SnippetCamera.h"
|
|
#include <ctype.h>
|
|
#include "foundation/PxMat33.h"
|
|
|
|
using namespace physx;
|
|
|
|
namespace Snippets
|
|
{
|
|
|
|
Camera::Camera(const PxVec3& eye, const PxVec3& dir) : mMouseX(0), mMouseY(0), mSpeed(2.0f)
|
|
{
|
|
mEye = eye;
|
|
mDir = dir.getNormalized();
|
|
}
|
|
|
|
void Camera::handleMouse(int button, int state, int x, int y)
|
|
{
|
|
PX_UNUSED(state);
|
|
PX_UNUSED(button);
|
|
mMouseX = x;
|
|
mMouseY = y;
|
|
}
|
|
|
|
bool Camera::handleKey(unsigned char key, int x, int y, float speed)
|
|
{
|
|
PX_UNUSED(x);
|
|
PX_UNUSED(y);
|
|
|
|
const PxVec3 viewY = mDir.cross(PxVec3(0,1,0)).getNormalized();
|
|
switch(toupper(key))
|
|
{
|
|
case 'W': mEye += mDir*mSpeed*speed; break;
|
|
case 'S': mEye -= mDir*mSpeed*speed; break;
|
|
case 'A': mEye -= viewY*mSpeed*speed; break;
|
|
case 'D': mEye += viewY*mSpeed*speed; break;
|
|
default: return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
void Camera::handleAnalogMove(float x, float y)
|
|
{
|
|
PxVec3 viewY = mDir.cross(PxVec3(0,1,0)).getNormalized();
|
|
mEye += mDir*y;
|
|
mEye += viewY*x;
|
|
}
|
|
|
|
void Camera::handleMotion(int x, int y)
|
|
{
|
|
const int dx = mMouseX - x;
|
|
const int dy = mMouseY - y;
|
|
|
|
const PxVec3 viewY = mDir.cross(PxVec3(0,1,0)).getNormalized();
|
|
|
|
const float Sensitivity = PxPi * 0.5f / 180.0f;
|
|
|
|
const PxQuat qx(Sensitivity * dx, PxVec3(0,1,0));
|
|
mDir = qx.rotate(mDir);
|
|
const PxQuat qy(Sensitivity * dy, viewY);
|
|
mDir = qy.rotate(mDir);
|
|
|
|
mDir.normalize();
|
|
|
|
mMouseX = x;
|
|
mMouseY = y;
|
|
}
|
|
|
|
PxTransform Camera::getTransform() const
|
|
{
|
|
PxVec3 viewY = mDir.cross(PxVec3(0,1,0));
|
|
|
|
if(viewY.normalize()<1e-6f)
|
|
return PxTransform(mEye);
|
|
|
|
const PxMat33 m(mDir.cross(viewY), viewY, -mDir);
|
|
return PxTransform(mEye, PxQuat(m));
|
|
}
|
|
|
|
PxVec3 Camera::getEye() const
|
|
{
|
|
return mEye;
|
|
}
|
|
|
|
PxVec3 Camera::getDir() const
|
|
{
|
|
return mDir;
|
|
}
|
|
|
|
void Camera::setPose(const PxVec3& eye, const PxVec3& dir)
|
|
{
|
|
mEye = eye;
|
|
mDir = dir;
|
|
}
|
|
|
|
void Camera::setSpeed(float speed)
|
|
{
|
|
mSpeed = speed;
|
|
}
|
|
|
|
}
|
|
|