/***
* 1 2
* 3 4
***/
List <Vector3> InterpolateSpine(Square square, Square top, Square left, Square bot, Square right)
{
Node p0, p1, p2, p3;
p0 = square.centreBottom;
p1 = square.centreBottom;
p2 = square.centreBottom;
p3 = square.centreBottom;
//Config
bool neighborStraight0 = false;
bool neighborStraight1 = false;
switch (square.configuration)
{
case 0:
break;
//1 point
case 0b0001:
switch (left.configuration)
{
case 0b0011:
p0 = left.centreLeft;
p1 = left.centreRight;
break;
case 0b0010:
p0 = left.centreBottom;
p1 = left.centreRight;
break;
case 0b1011:
p0 = left.centreTop;
p1 = left.centreRight;
neighborStraight0 = true;
break;
}
switch (bot.configuration)
{
case 0b1000:
p2 = bot.centreTop;
p3 = bot.centreLeft;
break;
case 0b1001:
p2 = bot.centreTop;
p3 = bot.centreBottom;
break;
case 0b1011:
p2 = bot.centreTop;
p3 = bot.centreRight;
neighborStraight1 = true;
break;
}
break;
case 0b0010:
switch (right.configuration)
{
case 0b0011:
p0 = right.centreRight;
p1 = right.centreLeft;
break;
case 0b0001:
p0 = right.centreBottom;
p1 = right.centreLeft;
break;
case 0b0111:
p0 = right.centreTop;
p1 = right.centreLeft;
neighborStraight0 = true;
break;
}
switch (bot.configuration)
{
case 0b0110:
p2 = bot.centreTop;
p3 = bot.centreBottom;
break;
case 0b0100:
p2 = bot.centreTop;
p3 = bot.centreRight;
break;
case 0b0111:
p2 = bot.centreTop;
p3 = bot.centreLeft;
neighborStraight1 = true;
break;
}
break;
case 0b0100:
switch (top.configuration)
{
case 0b0110:
p0 = top.centreTop;
p1 = top.centreBottom;
break;
case 0b0010:
p0 = top.centreRight;
p1 = top.centreBottom;
break;
case 0b1110:
p0 = top.centreLeft;
p1 = top.centreBottom;
neighborStraight0 = true;
break;
}
switch (right.configuration)
{
case 0b1100:
p2 = right.centreLeft;
p3 = right.centreRight;
break;
case 0b1000:
p2 = right.centreLeft;
p3 = right.centreTop;
break;
case 0b1110:
p2 = right.centreLeft;
p3 = right.centreBottom;
neighborStraight1 = true;
break;
}
break;
case 0b1000:
switch (top.configuration)
{
case 0b1001:
p0 = top.centreTop;
p1 = top.centreBottom;
break;
case 0b0001:
p0 = top.centreLeft;
p1 = top.centreBottom;
break;
case 0b1101:
p0 = top.centreRight;
p1 = top.centreBottom;
neighborStraight0 = true;
break;
}
switch (left.configuration)
{
case 0b1100:
p2 = left.centreRight;
p3 = left.centreLeft;
break;
case 0b0100:
p2 = left.centreRight;
p3 = left.centreTop;
break;
case 0b1101:
p2 = left.centreRight;
p3 = left.centreBottom;
neighborStraight1 = true;
break;
}
break;
//3 points
case 0b0111:
switch (top.configuration)
{
case 0b1110:
p0 = top.centreLeft;
p1 = top.centreBottom;
break;
case 0b0110:
p0 = top.centreTop;
p1 = top.centreBottom;
break;
case 0b0010:
p0 = top.centreRight;
p1 = top.centreBottom;
neighborStraight0 = true;
break;
}
switch (left.configuration)
{
case 0b1011:
p2 = left.centreRight;
p3 = left.centreTop;
break;
case 0b0011:
p2 = left.centreRight;
p3 = left.centreLeft;
break;
case 0b0010:
p2 = left.centreRight;
p3 = left.centreBottom;
neighborStraight1 = true;
break;
}
break;
case 0b1011:
switch (top.configuration)
{
case 0b1001:
p0 = top.centreTop;
p1 = top.centreBottom;
break;
case 0b1101:
p0 = top.centreRight;
p1 = top.centreBottom;
break;
case 0b0001:
p0 = top.centreLeft;
p1 = top.centreBottom;
neighborStraight0 = true;
break;
}
switch (right.configuration)
{
case 0b0011:
p2 = right.centreLeft;
p3 = right.centreRight;
break;
case 0b0111:
p2 = right.centreLeft;
p3 = right.centreTop;
break;
case 0b0001:
p2 = right.centreLeft;
p3 = right.centreBottom;
neighborStraight1 = true;
break;
}
break;
case 0b1101:
switch (right.configuration)
{
case 0b1100:
p0 = right.centreRight;
p1 = right.centreLeft;
break;
case 0b1110:
p0 = right.centreBottom;
p1 = right.centreLeft;
break;
case 0b1000:
p0 = right.centreTop;
p1 = right.centreLeft;
neighborStraight0 = true;
break;
}
switch (bot.configuration)
{
case 0b1001:
p2 = bot.centreTop;
p3 = bot.centreBottom;
break;
case 0b1011:
p2 = bot.centreTop;
p3 = bot.centreRight;
break;
case 0b1000:
p2 = bot.centreTop;
p3 = bot.centreLeft;
neighborStraight1 = true;
break;
}
break;
case 0b1110:
switch (left.configuration)
{
case 0b1100:
p0 = left.centreLeft;
p1 = left.centreRight;
break;
case 0b1101:
p0 = left.centreBottom;
p1 = left.centreRight;
break;
case 0b0100:
p0 = left.centreTop;
p1 = left.centreRight;
neighborStraight0 = true;
break;
}
switch (bot.configuration)
{
case 0b0111:
p2 = bot.centreTop;
p3 = bot.centreLeft;
break;
case 0b0110:
p2 = bot.centreTop;
p3 = bot.centreBottom;
break;
case 0b0100:
p2 = bot.centreTop;
p3 = bot.centreRight;
neighborStraight1 = true;
break;
}
break;
}
if (neighborStraight0 && neighborStraight1)
{
return(null);
}
var retval = CatmullRomSpline.getPoints(p0.position, p1.position, p2.position, p3.position);
return(retval);
}