SceneNode(GLfloat x = 0, GLfloat y = 0, GLfloat z = 0,
GLfloat velx = 0, GLfloat vely = 0, GLfloat velz = 0,
GLfloat accx = 0, GLfloat accy = 0, GLfloat accz = 0)
{
newX = 0;
newY = 0;
newZ = 0;
this->x[POS] = x;
this->x[VEL] = velx;
this->x[ACC] = accx;
this->y[POS] = y;
this->y[VEL] = vely;
this->y[ACC] = accy;
this->z[POS] = z;
this->z[VEL] = velz;
this->z[ACC] = accz;
transform.setIdentity();
normTransform.setIdentity();
alive = true;
}
virtual void update(unsigned long long time)
{
transform.translate(-newX, -newY, -newZ);
x[VEL] += x[ACC];
y[VEL] += y[ACC];
z[VEL] += z[ACC];
x[POS] += x[VEL];
y[POS] += y[VEL];
z[POS] += z[VEL];
if(z[POS] < 0) z[POS] = 0;
newX = x[POS];
newY = y[POS];
newZ = z[POS];
transform.translate(newX, newY, newZ);
for(i = children.begin(); i != children.end(); i++)
(*i)->update(time);
children.remove_if(is_dead);
}
SceneNode() {
transform.setIdentity();
UNIFORM_mvpMatrix.setIdentity();
}
CubeNode(GLfloat size, int color)
{
GLuint colors[6];
if(color == 0)
{
for(int i = 0; i < 6; i++)
{
colors[i] = (rand() % 0x100000000) | 0xFF000000;
}
}
else
{
for(int i = 0; i < 6; i++)
{
colors[i] = color;
}
}
static const GLfloat permutation[][4][3] =
{
{
{-1,1,1},{-1,-1,1},{1,-1,1},{1,1,1}
},
{
{1,1,-1},{1,-1,-1},{-1,-1,-1},{-1,1,-1}
},
{
{1,1,1},{1,-1,1},{1,-1,-1},{1,1,-1}
},
{
{-1,1,-1},{-1,-1,-1},{-1,-1,1},{-1,1,1}
},
{
{-1,1,-1},{-1,1,1},{1,1,1},{1,1,-1}
},
{
{1,-1,-1},{1,-1,1},{-1,-1,1},{-1,-1,-1}
}
};
static const GLfloat norms[][3] =
{
{0, 0, 1},
{0, 0, -1},
{1, 0, 0},
{-1, 0, 0},
{0, 1, 0},
{0, -1, 0}
};
int index = 0;
size /= 2;
for ( size_t i = 0; i < 6; ++i )
{
vtx[index].x = size * permutation[i][0][0];
vtx[index].y = size * permutation[i][0][1];
vtx[index].z = size * permutation[i][0][2];
vtx[index].color = colors[i];
vtx[index].nx = norms[i][0];
vtx[index].ny = norms[i][1];
vtx[index].nz = norms[i][2];
++index;
vtx[index].x = size * permutation[i][1][0];
vtx[index].y = size * permutation[i][1][1];
vtx[index].z = size * permutation[i][1][2];
vtx[index].color = colors[i];
vtx[index].nx = norms[i][0];
vtx[index].ny = norms[i][1];
vtx[index].nz = norms[i][2];
++index;
vtx[index].x = size * permutation[i][3][0];
vtx[index].y = size * permutation[i][3][1];
vtx[index].z = size * permutation[i][3][2];
vtx[index].color = colors[i];
vtx[index].nx = norms[i][0];
vtx[index].ny = norms[i][1];
vtx[index].nz = norms[i][2];
++index;
vtx[index].x = size * permutation[i][3][0];
vtx[index].y = size * permutation[i][3][1];
vtx[index].z = size * permutation[i][3][2];
vtx[index].color = colors[i];
vtx[index].nx = norms[i][0];
vtx[index].ny = norms[i][1];
vtx[index].nz = norms[i][2];
++index;
vtx[index].x = size * permutation[i][1][0];
vtx[index].y = size * permutation[i][1][1];
vtx[index].z = size * permutation[i][1][2];
vtx[index].color = colors[i];
vtx[index].nx = norms[i][0];
vtx[index].ny = norms[i][1];
vtx[index].nz = norms[i][2];
++index;
vtx[index].x = size * permutation[i][2][0];
vtx[index].y = size * permutation[i][2][1];
vtx[index].z = size * permutation[i][2][2];
vtx[index].color = colors[i];
vtx[index].nx = norms[i][0];
vtx[index].ny = norms[i][1];
vtx[index].nz = norms[i][2];
++index;
}
rot.setRotation(rand(), rand(), rand(), 0.005);
}