public void AddTriangle(DestroyableVector2Operator a, DestroyableVector2Operator b, DestroyableVector2Operator c)
{
if (a.Y != b.Y || a.Y != c.Y)
{
//var z = (a.V + b.V + c.V) / 3.0f;
//var z1 = Vector3.MoveTowards(a.V, z, 1.0f);
//var z2 = Vector3.MoveTowards(b.V, z, 1.0f);
//var z3 = Vector3.MoveTowards(c.V, z, 1.0f);
//Debug.DrawLine(z1, z2, Color.red, 10.0f);
//Debug.DrawLine(z2, z3, Color.red, 10.0f);
//Debug.DrawLine(z3, z1, Color.red, 10.0f);
if (b.Y > a.Y)
{
DestroyableHelper.Swap(ref a, ref b);
}
if (c.Y > a.Y)
{
DestroyableHelper.Swap(ref c, ref a);
}
if (c.Y > b.Y)
{
DestroyableHelper.Swap(ref b, ref c);
}
var fth = a.Y - c.Y;
var tth = a.Y - b.Y;
var bth = b.Y - c.Y;
var inx = c.X + (a.X - c.X) * DestroyableHelper.Divide(bth, fth);
var d = new DestroyableVector2Operator((int)inx, b.Y);
var abs = DestroyableHelper.Divide(a.X - b.X, tth);
var ads = DestroyableHelper.Divide(a.X - d.X, tth);
AddTriangle(b.X, d.X, abs, ads, b.Y, 1, tth);
var cbs = DestroyableHelper.Divide(c.X - b.X, bth);
var cds = DestroyableHelper.Divide(c.X - d.X, bth);
AddTriangle(b.X, d.X, cbs, cds, b.Y, -1, bth);
}
}
public void AddTriangle(float l, float r, float ls, float rs, int y, int s, int c)
{
if (l > r)
{
DestroyableHelper.Swap(ref l, ref r);
DestroyableHelper.Swap(ref ls, ref rs);
}
for (var i = 0; i < c; i++)
{
var il = Mathf.FloorToInt(l);
var ir = Mathf.CeilToInt(r);
for (var x = il; x < ir; x++)
{
AddPixel(x, y);
}
y += s;
l += ls;
r += rs;
}
}