void SphericEmitter::setDirection(const Vector3D& _direction)
{
tDirection = _direction;
computeMatrix();
this->direction = tDirection; // as tDirection was normalized in computeMatrix()
notifyForUpdate();
}
void Transformable::setTransformOrientationZ(float angle)
{
float cosA = std::cos(angle);
float sinA = std::sin(angle);
local[0] = cosA;
local[1] = sinA;
local[2] = 0.0f;
local[4] = -sinA;
local[5] = cosA;
local[6] = 0.0f;
local[8] = 0.0f;
local[9] = 0.0f;
local[10] = 1.0f;
localIdentity = false;
notifyForUpdate();
}
void Transformable::setTransformOrientation(Vector3D axis,float angle)
{
axis.normalize();
float c = std::cos(angle);
float s = std::sin(angle);
float a = 1 - c;
Vector3D axis2(axis.x * axis.x,axis.y * axis.y,axis.z * axis.z);
local[0] = axis2.x + (1 - axis2.x) * c;
local[1] = axis.x * axis.y * a + axis.z * s;
local[2] = axis.x * axis.z * a - axis.y * s;
local[4] = axis.x * axis.y * a - axis.z * s;
local[5] = axis2.y + (1 - axis2.y) * c;
local[6] = axis.y * axis.z * a + axis.x * s;
local[8] = axis.x * axis.z * a + axis.y * s;
local[9] = axis.y * axis.z * a - axis.x * s;
local[10] = axis2.z + (1 - axis2.z) * c;
localIdentity = false;
notifyForUpdate();
}
void Transformable::setTransformOrientationLH(Vector3D look,Vector3D up)
{
look.normalize();
Vector3D side = crossProduct(look,up);
side.normalize();
up = crossProduct(side,look);
local[0] = side.x;
local[1] = side.y;
local[2] = side.z;
local[4] = up.x;
local[5] = up.y;
local[6] = up.z;
local[8] = look.x;
local[9] = look.y;
local[10] = look.z;
localIdentity = false;
notifyForUpdate();
}
