//如果这条直径刚好在BoundingBox中呢？
void OBoundingBox::Merge(const OSphere& sphere)
{
const OVector3& center = sphere.m_center;
float radius = sphere.m_radius;
Merge(center + OVector3(radius, radius, radius));
Merge(center + OVector3(-radius, -radius, -radius));
}
void OBoundingBox::Init(const OSphere& sphere)
{
const OVector3& center = sphere.m_center;
float radius = sphere.m_radius;
m_min = center + OVector3(-radius, -radius, -radius);
m_max = center + OVector3(radius, radius, radius);
m_isInit = true;
}
inline OVector3 ClipEdgeZ(const OVector3& v0, const OVector3& v1, float clipZ)
{
return OVector3(
v1.x + (v0.x - v1.x) * ((clipZ - v1.z) / (v0.z - v1.z)),
v1.y + (v0.y - v1.y) * ((clipZ - v1.z) / (v0.z - v1.z)),
clipZ
);
}
void OVariousObjects::DrawPlaneEq(OVector3 n, float d)
{
n = n * (n.FastInvertNorm());
OVector3 qn = OVector3(0, 0, 1) * n;
if (qn.FastNorm() > 0.0001) {
qn = qn * (1.0f / qn.Norm());
}
float ang = acosf(n.Dot(OVector3(0, 0, 1)));
OQuaternion q = OQuaternion(qn * sinf(ang * 0.5f), cosf(ang * 0.5f));
// Vector3 px = (q * Quaternion(1, 0, 0, 1) * q.Transpose()).V3();
// Vector3 py = (q * Quaternion(0, 1, 0, 1) * q.Transpose()).V3();
glPushMatrix();
glMultMatrixf(q.ToMatrix().GetSafeM());
glTranslatef(0, 0, d);
DrawHorizontalQuad(100, 100);
//DrawAxes(100, 1);
glPopMatrix();
}
void DemoApplication::init()
{
/* set camera movement keys */
_camCtrl.setMoveEventKey(OKeyboardPressEvent::OKey_a, OCameraController::MoveLeft);
_camCtrl.setMoveEventKey(OKeyboardPressEvent::OKey_s, OCameraController::MoveBack);
_camCtrl.setMoveEventKey(OKeyboardPressEvent::OKey_d, OCameraController::MoveRight);
_camCtrl.setMoveEventKey(OKeyboardPressEvent::OKey_w, OCameraController::MoveForward);
_camCtrl.setMoveEventKey(OKeyboardPressEvent::OKey_q, OCameraController::MoveUp);
_camCtrl.setMoveEventKey(OKeyboardPressEvent::OKey_e, OCameraController::MoveDown);
/* subscribe to keyboard event */
addEventRecipient(OEvent::KeyboardPressEvent, this);
/* text */
_fontCourier = new OFont("cour.ttf");
_title = new OText2D(_fontCourier, 12, -1.0f, -0.95f, OVector4(0.0f, 1.0f, 0.0f, 1.0f));
_title->setContent("Osiris Framework");
_fpsText = new OText2D(_fontCourier, 12, 0.55f, -0.95f, OVector4(0.0f, 1.0f, 0.0f, 1.0f));
_perfText = new OText2D(_fontCourier, 12, 0.55f, -0.90f, OVector4(0.0f, 1.0f, 0.0f, 1.0f));
_idleText = new OText2D(_fontCourier, 12, 0.55f, -0.85f, OVector4(0.0f, 1.0f, 0.0f, 1.0f));
_renderText = new OText2D(_fontCourier, 12, 0.55f, -0.80f, OVector4(0.0f, 1.0f, 0.0f, 1.0f));
_cameraText = new OText2D(_fontCourier, 12, -1.0f, 0.90f, OVector4(0.0f, 1.0f, 0.0f, 1.0f));
/* setting up the cube */
OVertexColorMesh *cube = new OVertexColorMesh();
cube->addVertexData(-0.5f, -0.5f, -0.5f);
cube->addVertexData(-0.5f, -0.5f, 0.5f);
cube->addVertexData(-0.5f, 0.5f, -0.5f);
cube->addVertexData(-0.5f, 0.5f, 0.5f);
cube->addVertexData(0.5f, -0.5f, -0.5f);
cube->addVertexData(0.5f, -0.5f, 0.5f);
cube->addVertexData(0.5f, 0.5f, -0.5f);
cube->addVertexData(0.5f, 0.5f, 0.5f);
cube->addVertexColorData(1.0f, 0.0f, 0.0f, 1.0f);
cube->addVertexColorData(0.0f, 1.0f, 0.0f, 1.0f);
cube->addVertexColorData(0.0f, 0.0f, 1.0f, 1.0f);
cube->addVertexColorData(1.0f, 0.0f, 0.0f, 1.0f);
cube->addVertexColorData(0.0f, 1.0f, 0.0f, 1.0f);
cube->addVertexColorData(0.0f, 0.0f, 1.0f, 1.0f);
cube->addVertexColorData(1.0f, 0.0f, 0.0f, 1.0f);
cube->addVertexColorData(0.0f, 1.0f, 0.0f, 1.0f);
cube->addIndexData(0, 4, 1);
cube->addIndexData(1, 2, 0);
cube->addIndexData(1, 4, 5);
cube->addIndexData(1, 7, 3);
cube->addIndexData(2, 4, 0);
cube->addIndexData(2, 7, 6);
cube->addIndexData(3, 2, 1);
cube->addIndexData(3, 7, 2);
cube->addIndexData(4, 7, 5);
cube->addIndexData(5, 7, 1);
cube->addIndexData(6, 4, 2);
cube->addIndexData(6, 7, 4);
cube->setFaceCulling(true, OMesh::CullFace_Front, OMesh::CullFront_CW);
cube->init();
_cube = cube;
/* setting up Torus */
OVertexColorMesh* torus = new OVertexColorMesh();
OWavefrontObjectFile torusFile("Meshes/TestTorus.mesh.obj");
int objectCount=0;
const char **objectList = torusFile.objectList(&objectCount);
if (objectCount > 0) torusFile.loadMesh(objectList[0], torus);
for (int i = 0; i < torus->vertexCount(); i++) {
OVector3 v = torus->vertexData(i);
torus->addVertexColorData(fabs(v.x()), fabs(v.y()), fabs(v.z()), 1);
}
torus->init();
_torus = torus;
/* camera */
camera()->setCameraLimits(1.0f, 10.0f);
camera()->setPosition(OVector3(0.0f, 0.0f, 3.0f));
camera()->setOrientation(OVector3(0.0f, 0.0f, 0.0f));
_movRadiusA = 1.0f;
_movRadiusB = 1.0f;
_thetaA = 0;
_thetaB = PI;
_periodA = 6.0f;
_periodB = 6.0f;
_pauseFlag = false;
_last_timeIndex = OTimeIndex::current();
}
