protected void SetPoints(Graphics graphics, Bitmap bitmap, ref ImageTexture texture, prim.Point point, ref prim.Size size)
{
if (size == null)
{
size = new prim.Size(bitmap.Width / graphics.size.w, bitmap.Height / graphics.size.h);
}
float[] vertices =
{
point.x + size.w, point.y + size.h, 0.0f, 1.0f, 1.0f, // top right
point.x + size.w, point.y, 0.0f, 1.0f, 0.0f, // bottom right
point.x, point.y, 0.0f, 0.0f, 0.0f, // bottom left
point.x, point.y + size.h, 0.0f, 0.0f, 1.0f // top left
};
uint[] indices = // note that we start from 0!
{
0, 1, 3, // first triangle
1, 2, 3 // second triangle
};
texture = new ImageTexture(graphics, bitmap, vertices, indices);
}
public override void InitTexture(ref World world, ref Body body, prim.Point point, ref prim.Size size, ref ImageTexture texture, ref MapInterface.ObjectTemplate temp, Graphics graphics, bool isDynamic = false)
{
Bitmap bitmap = temp.images["default"][0].image;
SetPoints(graphics, bitmap, ref texture, point, ref size);
BodyDef bodyDef = new BodyDef();
PolygonDef polyBox = new PolygonDef();
PolygonDef polyDef = new PolygonDef();
bodyDef.Position.Set(point.x, point.y);
polyDef.Density = 1f;
polyBox.Density = 1f;
bodyDef.Angle = 0f;
polyDef.VertexCount = temp.images["default"][0].collisionVectors.Count;
polyBox.SetAsBox(size.w / 2, size.h / 2);
List <prim.Point> points = new List <prim.Point>();
foreach (MapInterface.Line line in temp.images["default"][0].collisionVectors)
{
float nx1 = ((float)line.x1 / bitmap.Width) * (float)size.w;
float nx2 = ((float)line.x2 / bitmap.Width) * (float)size.w;
float ny1 = ((float)line.y1 / bitmap.Height) * (float)size.h;
float ny2 = ((float)line.y2 / bitmap.Height) * (float)size.h;
points.Add(new prim.Point(nx1, ny1));
points.Add(new prim.Point(nx2, ny2));
}
AddCollisionPoints(ref world, ref temp, bodyDef, polyDef, points, ref body);
if (isDynamic)
{
body.SetMassFromShapes();
}
}
public virtual void InitTexture(ref World world, ref Body body, prim.Point point, ref prim.Size size, ref ImageTexture texture, ref MapInterface.ObjectTemplate temp, Graphics graphics, bool isDynamic = false)
{
Bitmap bitmap = temp.images["default"][0].image;
SetPoints(graphics, bitmap, ref texture, point, ref size);
BodyDef bodyDef = new BodyDef();
PolygonDef polyBox = new PolygonDef();
PolygonDef polyDef = new PolygonDef();
bodyDef.Position.Set(point.x, point.y);
polyDef.Density = 1f;
polyBox.Density = 1f;
bodyDef.Angle = 0f;
polyDef.VertexCount = temp.images["default"][0].collisionVectors.Count;
polyBox.SetAsBox(size.w / 2, size.h / 2);
List <prim.Point> points = new List <prim.Point>();
foreach (MapInterface.Line line in temp.images["default"][0].collisionVectors)
{
float nx1 = ((float)line.x1 / bitmap.Width) * (float)size.w;
float nx2 = ((float)line.x2 / bitmap.Width) * (float)size.w;
float ny1 = ((float)line.y1 / bitmap.Height) * (float)size.h;
float ny2 = ((float)line.y2 / bitmap.Height) * (float)size.h;
points.Add(new prim.Point(nx1, ny1));
points.Add(new prim.Point(nx2, ny2));
}
//TODO: Sort vertices in CCW order
//Example. Top triangle point -> bottom right -> bottem left
//points = GetDistinctPoints(points);
//foreach (prim.Point curPoint in points)
//{
// vCnt += 1;
// polyDef.Vertices[vCnt].Set(curPoint.x, curPoint.y);
//}
//bodyDef.FixedRotation = true;
//body = world.CreateBody(bodyDef);
//body.CreateShape(polyDef);
AddCollisionPoints(ref world, ref temp, bodyDef, polyDef, points, ref body);
if (isDynamic)
{
body.SetMassFromShapes();
}
}
