public bool PointInTriangle(Vector2 loc, Vector2[] corners, UnityEngine.Color[] corner_eles) //(Point A, Point B, Point C, Point P)
{
double s1 = corners[2].y - corners[0].y;
double s2 = corners[2].x - corners[0].x;
double s3 = corners[1].y - corners[0].y;
double s4 = loc.y - corners[0].y;
double w1 = (corners[0].x * s1 + s4 * s2 - loc.x * s1) / (s3 * s2 - (corners[1].x - corners[0].x) * s1);
if (w1 > 1 || w1 < 0)
{
return(false);
}
double w2 = (s4 - w1 * s3) / s1;
if (w2 > 1 || w2 < 0)
{
return(false);
}
double w3 = 1 - w2 - w1;
if (w3 > 1 || w3 < 0)
{
return(false);
}
UnityEngine.Color newColor = new UnityEngine.Color();
newColor.r = (float)(((w1 * corner_eles[0].r) + (w2 * corner_eles[1].r) + (w3 * corner_eles[2].r)));
newColor.g = (float)(((w1 * corner_eles[0].g) + (w2 * corner_eles[1].g) + (w3 * corner_eles[2].g)));
newColor.b = (float)(((w1 * corner_eles[0].b) + (w2 * corner_eles[1].b) + (w3 * corner_eles[2].b)));
DrawTriangles.queueColorChange(loc, newColor);
//bgVal[(y * bg.width) + x] = newColor;
//ushort newEle = (ushort)(((w1 * corner_eles[0]) + (w2 * corner_eles[1]) + (w3 * corner_eles[2])));
//hm.RequestsetHeight(new Vector2(x, y), newEle);
return(true);
}
public void DrawTriangle(Vector2[] points, UnityEngine.Color[] colors)
{
System.Drawing.Point[] d_points = new System.Drawing.Point[points.Length];
Vector2 start = new Vector2(dimensions.x - (dimensions.width * 0.5f), dimensions.y - (dimensions.height * 0.5f));
for (int i = 0; i < points.Length; i++)
{
d_points[i] = new System.Drawing.Point((int)Mathf.Round(points[i].x - start.x), (int)Mathf.Round(points[i].y - start.y));
}
System.Drawing.Color[] d_colors = new System.Drawing.Color[colors.Length];
int totR = 0;
int totG = 0;
int totB = 0;
for (int i = 0; i < colors.Length; i++)
{
d_colors[i] = System.Drawing.Color.FromArgb(255, (int)Mathf.Round(colors[i].r * 255), (int)Mathf.Round(colors[i].g * 255), (int)Mathf.Round(colors[i].b * 255));
totR += d_colors[i].R;
totG += d_colors[i].G;
totB += d_colors[i].B;
}
totR = totR / colors.Length;
totG = totG / colors.Length;
totB = totB / colors.Length;
System.Drawing.Color c_color = System.Drawing.Color.FromArgb(255, totR, totG, totB);
GraphicsPath path = new GraphicsPath();
path.AddLines(d_points);
PathGradientBrush pthGrBrush = new PathGradientBrush(path);
pthGrBrush.SurroundColors = d_colors;
pthGrBrush.CenterColor = c_color;
graphics.FillPath(pthGrBrush, path);
BitmapData data = bitmap.LockBits(new Rectangle(0, 0, bitmap.Width, bitmap.Height), System.Drawing.Imaging.ImageLockMode.ReadOnly, bitmap.PixelFormat);
int bytes = data.Stride * bitmap.Height;
byte[] pixelData = new byte[bytes];
Marshal.Copy(data.Scan0, pixelData, 0, bytes);
bitmap.UnlockBits(data);
int texWidth = bitmap.Width;
int lineWidth = texWidth * 4;
Vector2 curr = new Vector2();
for (int y = 0; y < bitmap.Height; y++)
{
for (int x = 0; x < bitmap.Width; x++)
{
curr.y = y + start.y;
curr.x = x + start.x;
int pixelDataPos = ((y * lineWidth) + (x * 4));
UnityEngine.Color newColor = new UnityEngine.Color(pixelData[pixelDataPos] / 255f, pixelData[pixelDataPos + 1] / 255f, pixelData[pixelDataPos + 2] / 255f);
if (newColor.r > 0 || newColor.b > 0 || newColor.g > 0)
{
DrawTriangles.queueColorChange(curr, newColor);
}
}
}
}