namespace Bread
{
sVector3 sVector3::ZERO = sVector3(0.0f, 0.0f, 0.0f);
sVector3 sVector3::X_BASIS = sVector3(1.0f, 0.0f, 0.0f);
sVector3 sVector3::Y_BASIS = sVector3(0.0f, 1.0f, 0.0f);
sVector3 sVector3::Z_BASIS = sVector3(0.0f, 0.0f, 1.0f);
}
void GetMouseRay(sVector3 &pos1, sVector3 &pos2, sVector3 &dir) {
int myX, myY;
glfwGetMousePos(&myX,&myY);
gCamera.Render();
double mvmatrix[16];
double projmatrix[16];
int viewport[4];
double dx,dy,dz;
glGetIntegerv(GL_VIEWPORT, viewport);
glGetDoublev(GL_MODELVIEW_MATRIX,mvmatrix);
glGetDoublev(GL_PROJECTION_MATRIX, projmatrix);
double mouseY = viewport[3] - myY;
gluUnProject((double)myX, (double)mouseY, 0.0, mvmatrix, projmatrix, viewport, &dx, &dy, &dz);
pos1 = sVector3((float)dx,(float)dy,(float)dz);
gluUnProject((double)myX, (double)mouseY, 1.0, mvmatrix, projmatrix, viewport, &dx, &dy, &dz);
pos2 = sVector3((float)dx,(float)dy,(float)dz);
float x,y,z, mag;
x = pos2.x - pos1.x;
y = pos2.y - pos1.y;
z = pos2.z - pos1.z;
mag = sqrt(x*x + y*y + z * z);
x/= mag;
y/= mag;
z/= mag;
dir = sVector3(x,y,z);
}
void cBatchRenderManager::push(sSphere const* sphere, DWORD color)
{
//
int vertNum = 50;
float unitAngle = cMath::TWOPI/(float)vertNum;
//
sVector3 pos(1.0f, 0.0f, 0.0f);
sVector3 out, startV, endV;
addMulVec3(sphere->m_center, pos, sphere->m_radius, startV);
//
sQuaternion quat;
float angle = 0.0f;
for (int i = 0; i <= vertNum; ++i, angle += unitAngle)
{
rotQuat(pos, sVector3(0.0f, 1.0f, 0.0f), angle, out);
addMulVec3(sphere->m_center, out, sphere->m_radius, endV);
push(&startV, &endV, color);
startV = endV;
}
}
