public OSLine(Vector2I I_start, Vector2I I_end, char I_color) : base(I_start, I_end)
{
ForeColor = I_color;
Vector2I deltaV2I = I_end - I_start;
List <OSDot> L_Result = new List <OSDot>();
if (deltaV2I.X == 0) // |
{
//L_TotalDots.AddRange(L_BackGroundDots.Range(0, deltaV2I.Y));
for (int yStep = I_start.Y, yMax = I_end.Y, xSwift = I_start.X; yStep < yMax; yStep++)
{
//L_TotalDots[yStep - yStart] = new OSDot(new Vector2I(xSwift, yStep), I_color);
L_TotalDots.Add(new OSDot(new Vector2I(xSwift, yStep), ForeColor));
}
}
if (deltaV2I.Y == 0) // -
{
//L_TotalDots.AddRange(L_BackGroundDots.Range(0, deltaV2I.X));
for (int xStep = I_start.X, xMax = I_end.X, ySwift = I_start.Y; xStep < xMax; xStep++)
{
//L_TotalDots[xStep - xStart] = new OSDot(new Vector2I(xStep, ySwift), I_color);
L_TotalDots.Add(new OSDot(new Vector2I(xStep, ySwift), ForeColor));
}
}
else
{ // \
float slope = (float)deltaV2I.Y / (float)deltaV2I.X;
if (slope < 1)
{ //斜率小的按X遍历
//L_TotalDots.AddRange(L_BackGroundDots.Range(0, deltaV2I.X));
for (int xStep = 0, xMax = deltaV2I.X, xSwift = I_start.X, ySwift = I_start.Y; xStep < xMax; xStep++)
{
//L_TotalDots[xStep] = new OSDot(new Vector2I((int)(xStep * slope + xSwift), ySwift), I_color);
L_TotalDots.Add(new OSDot(new Vector2I(xStep + xSwift, (int)((float)xStep * slope + ySwift)), ForeColor));
}
}
else
{ //斜率大的就按Y遍历吧
//L_TotalDots.AddRange(L_BackGroundDots.Range(0, deltaV2I.Y));
for (int yStep = 0, yMax = deltaV2I.Y, xSwift = I_start.X, ySwift = I_start.Y; yStep < yMax; yStep++)
{
//L_TotalDots[yStep] = new OSDot(new Vector2I(xSwift, (int)(yStep / slope + ySwift)), I_color);
L_TotalDots.Add(new OSDot(new Vector2I((int)((float)yStep / slope + xSwift), yStep + ySwift), ForeColor));
}
}
}
}
public OSRec(Vector2I I_start, Vector2I I_end, char I_color) : base(I_start, I_end)
{
//Fills
int XLength = I_end.X - I_start.X;
int YLength = I_end.Y - I_start.Y;
//L_FillDots.AddRange(L_BackGroundDots.Range(0, XLength * YLength));
for (int X = I_start.X, xMax = I_end.X; X < xMax; X++)
{
for (int Y = I_start.Y, yMax = I_end.Y; Y < yMax; Y++)
{
L_TotalDots.Add(new OSDot(new Vector2I(X, Y), ForeColor));
}
}
}