kmMat4* hueRotation(kmMat4* m, float r) {
kmMat4 mat0;
kmMat4 mat1;
kmMat4 temp;
// Make an identity matrix.
kmMat4Identity(&mat0);
// Rotate the grey vector into positive Z.
// Sin = 1/sqrt(2).
// Cos = 1/sqrt(2).
kmMat4RotationX(&temp, M_PI_4);
kmMat4Multiply(&mat1, &temp, &mat0);
// Sin = -1/sqrt(3).
// Cos = sqrt(2/3).
kmMat4RotationY(&temp, -0.615479709);
kmMat4Multiply(&mat0, &temp, &mat1);
// Shear the space to make the luminance plane horizontal.
float lx, ly, lz;
xformRGB(&mat0, rwgt, gwgt, bwgt, &lx, &ly, &lz);
float zsx = lx / lz;
float zsy = ly / lz;
shearZMatrix(&temp, zsx, zsy);
kmMat4Multiply(&mat1, &temp, &mat0);
// Rotate the hue.
float rad = r * M_PI / 180;
kmMat4RotationZ(&temp, rad);
kmMat4Multiply(&mat0, &temp, &mat1);
// Unshear the space to put the luminance plane back.
shearZMatrix(&temp, -zsx, -zsy);
kmMat4Multiply(&mat1, &temp, &mat0);
// Rotate the grey vector back into place.
// Sin = 1/sqrt(3).
// Cos = sqrt(2/3);
kmMat4RotationY(&temp, 0.615479709);
kmMat4Multiply(&mat0, &temp, &mat1);
// Sin = -1/sqrt(2).
// Cos = 1/sqrt(2).
kmMat4RotationX(&temp, -M_PI_4);
kmMat4Multiply(&mat1, &temp, &mat0);
kmMat4Fill(m, mat1.mat);
return m;
}
static void dlUpdateMatrix( dlObject *object )
{
kmMat4 translation,
rotation,
scale,
temp;
CALL("%p", object);
/* translation */
kmMat4Translation( &translation,
object->translation.x,
object->translation.y,
object->translation.z );
/* rotation */
kmMat4RotationX( &rotation, kmDegreesToRadians(object->rotation.x) );
kmMat4Multiply( &rotation, &rotation,
kmMat4RotationY( &temp, kmDegreesToRadians(object->rotation.y) ) );
kmMat4Multiply( &rotation, &rotation,
kmMat4RotationZ( &temp, kmDegreesToRadians(object->rotation.z) ) );
/* scale */
kmMat4Scaling( &scale,
object->scale.x,
object->scale.y,
object->scale.z );
/* build matrix */
kmMat4Multiply( &translation, &translation, &rotation );
kmMat4Multiply( &object->matrix, &translation, &scale );
object->transform_changed = 0;
}
bool Player::init()
{
if (!Node::init())
return false;
_tank = Sprite3D::create("model/tank/tank_buttom.c3b");
NavMeshAgentParam param;
param.radius = 2.0f;
param.height = 8.0f;
param.maxSpeed = 8.0f;
_agent = NavMeshAgent::create(param);
AgentUserData *data = new AgentUserData{ 0.0f };
_agent->setUserData(data);
_tank->setScale(1.5f);
_tank->addComponent(_agent);
_tank->setPosition3D(Vec3(-40.0f, 1.0f, 30.0f));
_barrel = Sprite3D::create("model/tank/barrel.c3b");
_tank->addChild(_barrel);
_barrel->setPosition3D(Vec3(0.30f, 2.0f, 1.6f));
_barrel->setAnchorPoint(ccp(0.5, 0.5));
_barrel->setScale(0.5f);
float fRadSeed = 3.14159f / 180.0f;
kmMat4 kMat;
kmMat4Identity(&kMat);
kmMat4RotationX(&kMat, 270 * fRadSeed);
Quaternion quat(kMat);
_barrel->setRotationQuat(quat);
this->scheduleUpdate();
this->addChild(_tank);
this->setCameraMask((unsigned short)CameraFlag::USER1);
return true;
}
void Player::setPlayerAngle(int angle)
{
float fRadSeed = 3.14159f / 180.0f;
kmMat4 kMat;
kmMat4Identity(&kMat);
kmMat4RotationX(&kMat, (angleCount - angle) * fRadSeed);
Quaternion quat(kMat);
m_barrel->setRotationQuat(quat);
}
bool Player::init()
{
m_rotationAngle = 0.f;
if (!Node::init())
return false;
if (m_sPlayerInfo.m_ID == 1)
{
m_tank = Sprite3D::create("model/boss.c3b");
}
else
{
m_tank = Sprite3D::create("model/WoT_IS7/tank_buttom.c3b");
}
NavMeshAgentParam param;
param.radius = 2.0f;
param.height = 8.0f;
param.maxSpeed = 8.0f;
m_agent = NavMeshAgent::create(param);
// sprite->_agent->setOrientationRefAxes(Vec3(-1.0f, 0.0f, 1.0f));
AgentUserData *data = new AgentUserData{ 0.0f };
m_agent->setUserData(data);
m_tank->setScale(1.5f);
m_tank->addComponent(m_agent);
// _tank->setTag(1);
this->scheduleUpdate();
m_barrel = Sprite3D::create("model/WoT_IS7/barrel.c3b");
m_tank->addChild(m_barrel);
m_barrel->setPosition3D(Vec3(0.30f, 2.0f, 1.6f));
m_barrel->setAnchorPoint(ccp(0.5, 0.5));
m_barrel->setScale(0.5f);
m_tank->setPosition3D(Vec3(-40.0f, 1.0f, 30.0f));
float fRadSeed = 3.14159f / 180.0f;
kmMat4 kMat;
kmMat4Identity(&kMat);
kmMat4RotationX(&kMat, 270 * fRadSeed);
Quaternion quat(kMat);
m_barrel->setRotationQuat(quat);
//将坦克模型加载到Node节点
float width = m_barrel->getContentSize().width;
float height = m_barrel->getContentSize().height;
log("barrel width = %f height = %f", width, height);
// this->addChild(_barrel);
this->addChild(m_tank);
// this->setPosition3D(Vec3(-40.0f, 1.0f, 30.0f));
this->setCameraMask((unsigned short)CameraFlag::USER1);
return true;
}
/**
* Builds a rotation matrix from pitch, yaw and roll. The resulting
* matrix is stored in pOut and pOut is returned
*/
kmMat4* kmMat4RotationYawPitchRoll(kmMat4* pOut, const kmScalar pitch, const kmScalar yaw, const kmScalar roll)
{
kmMat4 yaw_matrix;
kmMat4RotationY(&yaw_matrix, yaw);
kmMat4 pitch_matrix;
kmMat4RotationX(&pitch_matrix, pitch);
kmMat4 roll_matrix;
kmMat4RotationZ(&roll_matrix, roll);
kmMat4Multiply(pOut, &pitch_matrix, &roll_matrix);
kmMat4Multiply(pOut, &yaw_matrix, pOut);
return pOut;
}
void CSpriteEx::rotateX(float degree)
{
static float fRadSeed = 3.14159f/180.0f;
//创建个旋转矩阵
kmMat4 kMat;
kmMat4Identity(&kMat);
kmMat4RotationX(&kMat, degree*fRadSeed);
Vertex3F* v[4] = {&_quad.bl.vertices, &_quad.br.vertices, &_quad.tl.vertices, &_quad.tr.vertices};
Vertex3F* vOri[4] = {&m_sQuadOri.bl.vertices, &m_sQuadOri.br.vertices, &m_sQuadOri.tl.vertices, &m_sQuadOri.tr.vertices};
//向量矩阵相乘
for(int i = 0; i < 4; ++i) {
float x = kMat.mat[0]*vOri[i]->x + kMat.mat[4]*vOri[i]->y + kMat.mat[8]*vOri[i]->z + kMat.mat[12];
float y = kMat.mat[1]*vOri[i]->x + kMat.mat[5]*vOri[i]->y + kMat.mat[9]*vOri[i]->z + kMat.mat[13];
float z = kMat.mat[2]*vOri[i]->x + kMat.mat[6]*vOri[i]->y + kMat.mat[10]*vOri[i]->z + kMat.mat[14];
v[i]->x = x;
v[i]->y = y;
v[i]->z = z;
}
}
const kmMat4& Node::getNodeToParentTransform() const
{
if (_transformDirty)
{
// Translate values
float x = _position.x;
float y = _position.y;
float z = _positionZ;
if (_ignoreAnchorPointForPosition)
{
x += _anchorPointInPoints.x;
y += _anchorPointInPoints.y;
}
// Rotation values
// Change rotation code to handle X and Y
// If we skew with the exact same value for both x and y then we're simply just rotating
float cx = 1, sx = 0, cy = 1, sy = 0;
if (_rotationZ_X || _rotationZ_Y)
{
float radiansX = -CC_DEGREES_TO_RADIANS(_rotationZ_X);
float radiansY = -CC_DEGREES_TO_RADIANS(_rotationZ_Y);
cx = cosf(radiansX);
sx = sinf(radiansX);
cy = cosf(radiansY);
sy = sinf(radiansY);
}
bool needsSkewMatrix = ( _skewX || _skewY );
// optimization:
// inline anchor point calculation if skew is not needed
// Adjusted transform calculation for rotational skew
if (! needsSkewMatrix && !_anchorPointInPoints.equals(Point::ZERO))
{
x += cy * -_anchorPointInPoints.x * _scaleX + -sx * -_anchorPointInPoints.y * _scaleY;
y += sy * -_anchorPointInPoints.x * _scaleX + cx * -_anchorPointInPoints.y * _scaleY;
}
// Build Transform Matrix
// Adjusted transform calculation for rotational skew
kmScalar mat[] = {
cy * _scaleX, sy * _scaleX, 0, 0,
-sx * _scaleY, cx * _scaleY, 0, 0,
0, 0, _scaleZ, 0,
x, y, z, 1 };
kmMat4Fill(&_transform, mat);
// XXX
// FIX ME: Expensive operation.
// FIX ME: It should be done together with the rotationZ
if(_rotationY) {
kmMat4 rotY;
kmMat4RotationY(&rotY,CC_DEGREES_TO_RADIANS(_rotationY));
kmMat4Multiply(&_transform, &_transform, &rotY);
}
if(_rotationX) {
kmMat4 rotX;
kmMat4RotationX(&rotX,CC_DEGREES_TO_RADIANS(_rotationX));
kmMat4Multiply(&_transform, &_transform, &rotX);
}
// XXX: Try to inline skew
// If skew is needed, apply skew and then anchor point
if (needsSkewMatrix)
{
kmMat4 skewMatrix = { 1, (float)tanf(CC_DEGREES_TO_RADIANS(_skewY)), 0, 0,
(float)tanf(CC_DEGREES_TO_RADIANS(_skewX)), 1, 0, 0,
0, 0, 1, 0,
0, 0, 0, 1};
kmMat4Multiply(&_transform, &_transform, &skewMatrix);
// adjust anchor point
if (!_anchorPointInPoints.equals(Point::ZERO))
{
// XXX: Argh, kmMat needs a "translate" method.
// XXX: Although this is faster than multiplying a vec4 * mat4
_transform.mat[12] += _transform.mat[0] * -_anchorPointInPoints.x + _transform.mat[4] * -_anchorPointInPoints.y;
_transform.mat[13] += _transform.mat[1] * -_anchorPointInPoints.x + _transform.mat[5] * -_anchorPointInPoints.y;
}
}
if (_useAdditionalTransform)
{
kmMat4Multiply(&_transform, &_transform, &_additionalTransform);
}
_transformDirty = false;
}
return _transform;
}
