function sumvec(vec1, vec2)
{
	var resv = [0,0,0]
	resv[0] = vec1[0]+vec2[0];
	resv[1] = vec1[1]+vec2[1];
	resv[2] = vec1[2]+vec2[2];
	return resv;
}

function difvec(vec1, vec2)
{
	var resv = [0,0,0]
	resv[0] = vec1[0]-vec2[0];
	resv[1] = vec1[1]-vec2[1];
	resv[2] = vec1[2]-vec2[2];
	return resv;
}

function veceq(a,b)
{
	for (var i = 0; i < 3; ++i)
	{
		if (a[i] != b[i]) 
		{
			return false;
		}
	}
	return true;
}

function prodmatvec(mat, vec)
{
	var respr = [0,0,0];
	respr[0] = mat[0][0]*vec[0]+mat[0][1]*vec[1]+mat[0][2]*vec[2];
	respr[1] = mat[1][0]*vec[0]+mat[1][1]*vec[1]+mat[1][2]*vec[2];
	respr[2] = mat[2][0]*vec[0]+mat[2][1]*vec[1]+mat[2][2]*vec[2];
	return respr;
}

function prodmat(mat1,mat2)
{
	var resmat = [[0,0,0],[0,0,0],[0,0,0]];
	resmat[0][0] = mat1[0][0]*mat2[0][0] + mat1[0][1]*mat2[1][0] + mat1[0][2]*mat2[2][0];
	resmat[0][1] = mat1[0][0]*mat2[0][1] + mat1[0][1]*mat2[1][1] + mat1[0][2]*mat2[2][1];
	resmat[0][2] = mat1[0][0]*mat2[0][2] + mat1[0][1]*mat2[1][2] + mat1[0][2]*mat2[2][2];
	resmat[1][0] = mat1[1][0]*mat2[0][0] + mat1[1][1]*mat2[1][0] + mat1[1][2]*mat2[2][0];
	resmat[1][1] = mat1[1][0]*mat2[0][1] + mat1[1][1]*mat2[1][1] + mat1[1][2]*mat2[2][1];
	resmat[1][2] = mat1[1][0]*mat2[0][2] + mat1[1][1]*mat2[1][2] + mat1[1][2]*mat2[2][2];
	resmat[2][0] = mat1[2][0]*mat2[0][0] + mat1[2][1]*mat2[1][0] + mat1[2][2]*mat2[2][0];
	resmat[2][1] = mat1[2][0]*mat2[0][1] + mat1[2][1]*mat2[1][1] + mat1[2][2]*mat2[2][1];
	resmat[2][2] = mat1[2][0]*mat2[0][2] + mat1[2][1]*mat2[1][2] + mat1[2][2]*mat2[2][2];
	return resmat;
}

function rot(prevp, plp, axis)
{
	var resu = [0, 0, 0];
	if (veceq(axis,[-1,0,0]))
	{
		resu[0] = prevp[0];
		resu[1] = prevp[1] + (plp[1]-prevp[1]) - (plp[2]-prevp[2]);
		resu[2] = prevp[2] + (plp[1]-prevp[1]) + (plp[2]-prevp[2]);
	}
	else if (veceq(axis,[1,0,0]))
	{
		resu[0] = prevp[0];
		resu[1] = prevp[1] + (plp[1]-prevp[1]) + (plp[2]-prevp[2]);
		resu[2] = prevp[2] - (plp[1]-prevp[1]) + (plp[2]-prevp[2]);
	}
	else if (veceq(axis,[0,0,-1]))
	{
		resu[0] = prevp[0] + (plp[0]-prevp[0]) - (plp[1]-prevp[1]);
		resu[1] = prevp[1] + (plp[0]-prevp[0]) + (plp[1]-prevp[1]);
		resu[2] = prevp[2];
	}
	else if (veceq(axis,[0,0,1]))
	{
		resu[0] = prevp[0] + (plp[0]-prevp[0]) + (plp[1]-prevp[1]);
		resu[1] = prevp[1] - (plp[0]-prevp[0]) + (plp[1]-prevp[1]);
		resu[2] = prevp[2];
	}
	return resu;
}

var playspace = 1;

var ph = [0,0,0];
var pp = [0,0,0];
var matrotinit = [[1,0,0],[0,1,0],[0,0,1]];
var matrotHtB = [[1,0,0],[0,1,0],[0,0,1]];
var matrotP = [[1,0,0],[0,1,0],[0,0,1]];
orPH = [[1,0,0],[0,1,0],[0,0,1]];
var time = 0;

var ph0 = false;
var ph1 = false;

var PhPp0b = [0,0,0];
var PhPp1b = [0,0,0];

var PhPp0h = [0,0,0];
var PhPp1h = [0,0,0];

var ph0x = 0;
var ph0y = 0;
var ph0z = 0;
var ph1x = 0;
var ph1y = 0;
var ph1z = 0;

var pospx = 0;
var pospy = 1.4;
var pospz = -10;

room.update = function(dt)
{
	ph0 = player.hand0_active;
  ph1 = player.hand1_active;

  ph0x = player.hand0_pos.x;
  ph0y = player.hand0_pos.y;
  ph0z = player.hand0_pos.z;
  ph1x = player.hand1_pos.x;
  ph1y = player.hand1_pos.y;
  ph1z = player.hand1_pos.z;
	
	if (playspace == 1)
	{
		if ((ph0==true)&&(Math.sqrt((ph0x-pospx)*(ph0x-pospx)/4+(ph0y-pospy)*(ph0y-pospy)+(ph0z-pospz)*(ph0z-pospz)/4)<0.1))
		{
			playspace = 2;
			PhPp0b = [pospx-ph0x,pospy-ph0y,pospz-ph0z];
			matrotinit[0] = [player.hand0_xdir.x,player.hand0_xdir.y,player.hand0_xdir.z];
			matrotinit[1] = [player.hand0_ydir.x,player.hand0_ydir.y,player.hand0_ydir.z];
			matrotinit[2] = [player.hand0_zdir.x,player.hand0_zdir.y,player.hand0_zdir.z];
			PhPp0h = prodmatvec(matrotinit,PhPp0b);
			room.objects["disap1"].pos.y = 1.034;
		}
		else if ((ph1==true)&&(Math.sqrt((ph1x-pospx)*(ph1x-pospx)/4+(ph1y-pospy)*(ph1y-pospy)+(ph1z-pospz)*(ph1z-pospz)/4)<0.1))
		{
			playspace = 3;
			PhPp1b = [pospx-ph1x,pospy-ph1y,pospz-ph1z];
			matrotinit[0] = [player.hand1_xdir.x,player.hand1_xdir.y,player.hand1_xdir.z];
			matrotinit[1] = [player.hand1_ydir.x,player.hand1_ydir.y,player.hand1_ydir.z];
			matrotinit[2] = [player.hand1_zdir.x,player.hand1_zdir.y,player.hand1_zdir.z];
			PhPp1h = prodmatvec(matrotinit,PhPp1b);
			room.objects["disap1"].pos.y = 1.034;
		}
	}
	else if (playspace == 2)
	{
		if (ph0 == true)
		{
			room.objects["pipe1"].scale.x = 0.3;
			room.objects["pipe1"].scale.y = 0.3;
			room.objects["pipe1"].scale.z = 0.3;
			
			matrotHtB[0] = [player.hand0_xdir.x, player.hand0_ydir.x, player.hand0_zdir.x];
			matrotHtB[1] = [player.hand0_xdir.y, player.hand0_ydir.y, player.hand0_zdir.y];
			matrotHtB[2] = [player.hand0_xdir.z, player.hand0_ydir.z, player.hand0_zdir.z];
			
			room.objects["pipe1"].pos.x = ph0x + prodmatvec(matrotHtB, PhPp0h)[0];
			room.objects["pipe1"].pos.y = ph0y + prodmatvec(matrotHtB, PhPp0h)[1];
			room.objects["pipe1"].pos.z = ph0z + prodmatvec(matrotHtB, PhPp0h)[2];
			
			matrotP = prodmat(matrotHtB, matrotinit);
			
			room.objects["pipe1"].xdir.x = matrotP[0][0];
			room.objects["pipe1"].xdir.y = matrotP[1][0];
			room.objects["pipe1"].xdir.z = matrotP[2][0];
			
			room.objects["pipe1"].ydir.x = matrotP[0][1];
			room.objects["pipe1"].ydir.y = matrotP[1][1];
			room.objects["pipe1"].ydir.z = matrotP[2][1];
			
			room.objects["pipe1"].zdir.x = matrotP[0][2];
			room.objects["pipe1"].zdir.y = matrotP[1][2];
			room.objects["pipe1"].zdir.z = matrotP[2][2];
		}
		else
		{
			room.objects["pipe1"].scale.x = 0;
			room.objects["pipe1"].scale.y = 0;
			room.objects["pipe1"].scale.z = 0;
		}
	}
	else if (playspace == 3)
	{
		if (ph1 == true)
		{
			room.objects["pipe1"].scale.x = 0.3;
			room.objects["pipe1"].scale.y = 0.3;
			room.objects["pipe1"].scale.z = 0.3;
			
			matrotHtB[0] = [player.hand1_xdir.x, player.hand1_ydir.x, player.hand1_zdir.x];
			matrotHtB[1] = [player.hand1_xdir.y, player.hand1_ydir.y, player.hand1_zdir.y];
			matrotHtB[2] = [player.hand1_xdir.z, player.hand1_ydir.z, player.hand1_zdir.z];
			
			room.objects["pipe1"].pos.x = ph1x + prodmatvec(matrotHtB, PhPp1h)[0];
			room.objects["pipe1"].pos.y = ph1y + prodmatvec(matrotHtB, PhPp1h)[1];
			room.objects["pipe1"].pos.z = ph1z + prodmatvec(matrotHtB, PhPp1h)[2];
			
			matrotP = prodmat(matrotHtB, matrotinit);
			
			room.objects["pipe1"].xdir.x = matrotP[0][0];
			room.objects["pipe1"].xdir.y = matrotP[1][0];
			room.objects["pipe1"].xdir.z = matrotP[2][0];
			
			room.objects["pipe1"].ydir.x = matrotP[0][1];
			room.objects["pipe1"].ydir.y = matrotP[1][1];
			room.objects["pipe1"].ydir.z = matrotP[2][1];
			
			room.objects["pipe1"].zdir.x = matrotP[0][2];
			room.objects["pipe1"].zdir.y = matrotP[1][2];
			room.objects["pipe1"].zdir.z = matrotP[2][2];
		}
		else
		{
			room.objects["pipe1"].scale.x = 0;
			room.objects["pipe1"].scale.y = 0;
			room.objects["pipe1"].scale.z = 0;
		}
	}
}