private void paintOnTexture()
{
Event e = Event.current;
RaycastHit hit;
Ray ray = HandleUtility.GUIPointToWorldRay(e.mousePosition);
if (Physics.Raycast(ray, out hit))
{
if (hit.collider.gameObject.name == target.name)
{
float xCenterNormalized = hit.textureCoord.x;
float yCenterNormalized = hit.textureCoord.y;
int size = 64 * (int)brushSize;
int num = Mathf.FloorToInt(xCenterNormalized * mixMap.width);
int num2 = Mathf.FloorToInt(yCenterNormalized * mixMap.height);
int num3 = Mathf.RoundToInt((float)size) / 2;
int num4 = Mathf.RoundToInt((float)size) % 2;
int x = Mathf.Clamp(num - num3, 0, mixMap.width - 1);
int y = Mathf.Clamp(num2 - num3, 0, mixMap.height - 1);
int num7 = Mathf.Clamp((num + num3) + num4, 0, mixMap.width);
int num8 = Mathf.Clamp((num2 + num3) + num4, 0, mixMap.height);
int width = num7 - x;
int height = num8 - y;
Color[] srcPixels = mixMap.GetPixels(x, y, width, height, 0);
for (int i = 0; i < height; i++)
{
for (int j = 0; j < width; j++)
{
Color targetColor = currentTextureBrush.GetColor(currentSelectedTexture);
int ix = (x + j) - ((num - num3) + num4);
int iy = (y + i) - ((num2 - num3) + num4);
int index = (i * width) + j;
float blendFactor = currentTextureBrush.GetStrengthInt(ix / (int)brushSize, iy / (int)brushSize) *
hardness;
srcPixels[index] = Color.Lerp(srcPixels[index], targetColor, blendFactor);
}
}
mixMap.SetPixels(x, y, width, height, srcPixels, 0);
}
mixMap.Apply();
}
}