public Form1()
{
InitializeComponent();
_bmp = new Bitmap(1280, 720);
_graphics = Graphics.FromImage(_bmp);
pictureBox1.Image = _bmp;
int count = 40;
Random random = new Random();
polygons = new PolygonSprite[count];
for (int i = 0; i < count; i++)
{
polygons[i] = new PolygonSprite(random.Next(0, 1180), random.Next(0, 620), random.Next(30, 100), random.Next(30, 100), random.Next(3, 5), Color.FromArgb(random.Next(100, 255), random.Next(100, 255), random.Next(100, 255)));
}
//r1 = new PolygonSprite(150, 10, 100, 100, 4);
//r2 = new PolygonSprite(260, 70, 20, 20, 4);
//t1 = new PolygonSprite(70, 100, 100, 100 * (float)Math.Sqrt(3) / 2 , 3);
player = new PolygonSprite(random.Next(0, 1180), random.Next(0, 620), random.Next(30, 100), random.Next(30, 100), random.Next(3, 7), Color.FromArgb(random.Next(100, 255), random.Next(100, 255), random.Next(100, 255)));
timer = new Timer();
timer.Interval = 16;
timer.Tick += OnTick;
timer.Start();
Invalidate();
}
public void DrawPoints(PolygonSprite p1, PolygonSprite p2)
{
p1.CheckCollision(p2);
for (int i = 0; i < p1.vertices; i++)
{
if (i == 0)
{
for (int j = 0; j < p1.vertices; j++)
{
_graphics.DrawRectangle(Pens.Red, p1.shadows[j + (i * p1.vertices) + (i * p2.vertices)].X, p1.shadows[j + (i * p1.vertices) + (i * p2.vertices)].Y, 1, 1);
}
for (int j = 0; j < p2.vertices; j++)
{
_graphics.DrawRectangle(Pens.Aqua, p1.shadows[p1.vertices + j + (i * p2.vertices) + (i * p1.vertices)].X, p1.shadows[p1.vertices + j + (i * p2.vertices) + (i * p1.vertices)].Y, 1, 1);
}
}
else if (i == 1)
{
for (int j = 0; j < p1.vertices; j++)
{
_graphics.DrawRectangle(Pens.Green, p1.shadows[j + (i * p1.vertices) + (i * p2.vertices)].X, p1.shadows[j + (i * p1.vertices) + (i * p2.vertices)].Y, 1, 1);
}
for (int j = 0; j < p2.vertices; j++)
{
_graphics.DrawRectangle(Pens.Orange, p1.shadows[p1.vertices + j + (i * p2.vertices) + (i * p1.vertices)].X, p1.shadows[p1.vertices + j + (i * p2.vertices) + (i * p1.vertices)].Y, 1, 1);
}
}
else if (i == 2)
{
for (int j = 0; j < p1.vertices; j++)
{
_graphics.DrawRectangle(Pens.Brown, p1.shadows[j + (i * p1.vertices) + (i * p2.vertices)].X, p1.shadows[j + (i * p1.vertices) + (i * p2.vertices)].Y, 1, 1);
}
for (int j = 0; j < p2.vertices; j++)
{
_graphics.DrawRectangle(Pens.Violet, p1.shadows[p1.vertices + j + (i * p2.vertices) + (i * p1.vertices)].X, p1.shadows[p1.vertices + j + (i * p2.vertices) + (i * p1.vertices)].Y, 1, 1);
}
}
else if (i == 3)
{
for (int j = 0; j < p1.vertices; j++)
{
_graphics.DrawRectangle(Pens.Blue, p1.shadows[j + (i * p1.vertices) + (i * p2.vertices)].X, p1.shadows[j + (i * p1.vertices) + (i * p2.vertices)].Y, 1, 1);
}
for (int j = 0; j < p2.vertices; j++)
{
_graphics.DrawRectangle(Pens.DarkSeaGreen, p1.shadows[p1.vertices + j + (i * p2.vertices) + (i * p1.vertices)].X, p1.shadows[p1.vertices + j + (i * p2.vertices) + (i * p1.vertices)].Y, 1, 1);
}
}
}
}
public void GetCollision(PolygonSprite other)
{
if (CheckCollision(other))
{
//Debug.WriteLine("1. TRUE");
if (other.CheckCollision(this))
{
//Debug.WriteLine("2. TRUE");
isColliding = true;
}
else
{
//Debug.WriteLine("2. FALSE");
isColliding = false;
}
}
else
{
//Debug.WriteLine("1. FALSE");
isColliding = false;
}
}
public bool CheckCollision(PolygonSprite other)
{
double a, b, x, y;
bool[] ctrl = new bool[vertices * 2];
shadows = new PointF[(vertices + other.vertices) * vertices];
for (int i = 0; i < vertices; i++)
{
normalVector[i][0] = (points[(i + 1) % vertices].Y - points[i].Y) * -1;
normalVector[i][1] = (points[(i + 1) % vertices].X - points[i].X);
if (points[(i + 1) % vertices].Y == points[i].Y)
{
a = normalVector[i][1];
}
else
{
//a = (double)(points[i].Y - points[(i + 1) % vertices].Y) / (points[i].X - points[(i + 1) % vertices].X);
a = (double)(points[(i + 1) % vertices].X - points[i].X) / (points[(i + 1) % vertices].Y - points[i].Y) * -1;
}
b = (double)points[i].Y - (a * points[i].X);
for (int j = 0; j < vertices; j++)
{
x = (a * points[j].Y + points[j].X - a * b) / (a * a + 1);
y = (a * a * points[j].Y + a * points[j].X + b) / (a * a + 1);
shadows[j + (i * vertices) + (i * other.vertices)].X = (float)x;
shadows[j + (i * vertices) + (i * other.vertices)].Y = (float)y;
}
for (int j = 0; j < other.vertices; j++)
{
x = (a * other.points[j].Y + other.points[j].X - a * b) / (a * a + 1);
y = (a * a * other.points[j].Y + a * other.points[j].X + b) / (a * a + 1);
shadows[vertices + j + (i * other.vertices) + (i * vertices)].X = (float)x;
shadows[vertices + j + (i * other.vertices) + (i * vertices)].Y = (float)y;
}
/*for (int j = 0; j < vertices; j++)
* {
* Debug.WriteLine("1. Punkt[" + j + "]:\tx: " + points[j].X + "\ty: " + points[j].Y);
* Debug.WriteLine("\t\t\tx: " + shadows[j + (i * vertices) + (i * player.vertices)].X + "\ty: " + shadows[j + (i * vertices) + (i * player.vertices)].Y);
* }
*
* for (int j = 0; j < player.vertices; j++)
* {
* Debug.WriteLine("2. Punkt[" + (vertices + j) + "]:\tx: " + player.points[j].X + "\ty: " + player.points[j].Y);
* Debug.WriteLine("\t\t\tx: " + shadows[vertices + j + (i * player.vertices) + (i * vertices)].X + "\ty: " + shadows[vertices + j + (i * player.vertices) + (i * vertices)].Y);
* }*/
double min1X, min1Y, max1X, max1Y;
min1X = shadows[(i * vertices) + (i * other.vertices)].X;
min1Y = shadows[(i * vertices) + (i * other.vertices)].Y;
max1X = shadows[(i * vertices) + (i * other.vertices)].X;
max1Y = shadows[(i * vertices) + (i * other.vertices)].Y;
double min2X, min2Y, max2X, max2Y;
min2X = shadows[vertices + (i * other.vertices) + (i * vertices)].X;
min2Y = shadows[vertices + (i * other.vertices) + (i * vertices)].Y;
max2X = shadows[vertices + (i * other.vertices) + (i * vertices)].X;
max2Y = shadows[vertices + (i * other.vertices) + (i * vertices)].Y;
for (int j = 0; j < vertices; j++)
{
min1X = Math.Min(min1X, shadows[j + (i * vertices) + (i * other.vertices)].X);
min1Y = Math.Min(min1Y, shadows[j + (i * vertices) + (i * other.vertices)].Y);
max1X = Math.Max(max1X, shadows[j + (i * vertices) + (i * other.vertices)].X);
max1Y = Math.Max(max1Y, shadows[j + (i * vertices) + (i * other.vertices)].Y);
}
for (int j = 0; j < other.vertices; j++)
{
min2X = Math.Min(min2X, shadows[vertices + j + (i * other.vertices) + (i * vertices)].X);
min2Y = Math.Min(min2Y, shadows[vertices + j + (i * other.vertices) + (i * vertices)].Y);
max2X = Math.Max(max2X, shadows[vertices + j + (i * other.vertices) + (i * vertices)].X);
max2Y = Math.Max(max2Y, shadows[vertices + j + (i * other.vertices) + (i * vertices)].Y);
}
/*Debug.WriteLine((i * vertices + i * other.vertices));
* Debug.WriteLine((vertices + i * other.vertices + i * vertices));
* Debug.WriteLine("a: " + a + "\tb: " + b);
* Debug.WriteLine("");
* Debug.WriteLine("min1X: " + min1X + "\tmin1Y: " + min1Y + "\tmax1X: " + max1X + "\tmax1Y: " + max1Y);
* Debug.WriteLine("min2X: " + min2X + "\tmin2Y: " + min2Y + "\tmax2X: " + max2X + "\tmax2Y: " + max2Y);
*/
//Debug.WriteLine("");
if (min2X <= max1X && max2X >= min1X)
{
//Debug.WriteLine("Dla X jest cien");
ctrl[i * 2] = true;
}
else
{
//Debug.WriteLine("Dla X nie ma cienia");
ctrl[i * 2] = false;
}
if (min2Y <= max1Y && max2Y >= min1Y)
{
//Debug.WriteLine("Dla Y jest cien");
ctrl[1 + i * 2] = true;
}
else
{
//Debug.WriteLine("Dla Y nie ma cienia");
ctrl[1 + i * 2] = false;
}
/*if (min2Y <= max1Y && max2Y >= min1Y)
* {
* Debug.WriteLine("1. Dla Y jest cien");
* }
* else if (min2Y >= max1Y && max2Y <= min1Y)
* {
* Debug.WriteLine("2. Dla Y jest cien");
* }
* else
* {
* Debug.WriteLine("Dla Y nie ma cienia");
* }*/
}
for (int i = 0; i < ctrl.Length; i++)
{
if (!ctrl[i])
{
return(false);
}
}
return(true);
}
