public Spring()
{
TargetHeight = 100;
Height = (float)Sgml.random_range(0, 100);
Speed = 0.001f;
Velocity = 0.001f;
}
public static void DrawPairsDebug()
{
int index = 0;
Sgml.draw_text(new Vector2(20, 0), "[defined collisions]");
foreach (var k in DefinedCollisionPairs)
{
Sgml.draw_text(new Vector2(20, (index + 1) * 30), k.Key.Object + "(" + k.Key.ColliderName + ")" + " - " + k.Value.Object + "(" + k.Value.ColliderName + ")" + " -->" + k.Key.CollisionAction);
index++;
}
}
public void ApplyAnimation(string sprite, string name)
{
obj = Sgml.currentObject;
cAnim = Animations.FirstOrDefault(x => x.Sprite == sprite && x.Name == name);
if (cAnim != null)
{
if (!cAnim.Indexes.Contains((int)Sgml.floor(obj.ImageIndex)))
{
obj.ImageIndex = cAnim.Indexes.Min();
}
}
}
public void UpdatePosition()
{
float newX = (float)Sgml.lerp_aggressive(Position.X, TargetPosition.X, TransformSpeed);
float newY = (float)Sgml.lerp_aggressive(Position.Y, TargetPosition.Y, TransformSpeed);
float newZoom = (float)Sgml.lerp_aggressive(Zoom, TargetZoom, TransformSpeed);
Position.X = newX;
Position.Y = newY;
Zoom = newZoom;
Camera.Position = new Vector2(newX, newY);
Camera.Zoom = (float)Sgml.clamp(Zoom, 0.05, 30);
Camera.Rotation = Rotation;
//Camera.Origin = new Vector2(0, 0);
}
private Particle GenerateNewParticle()
{
Texture2D texture = textures[random.Next(textures.Count)];
Vector2 position = EmitterLocation;
double rr = random.NextDouble() * 5;
Vector2 velocity = new Vector2((float)random.NextDouble() * 5 * Sgml.choose(1, -1), (float)random.NextDouble() * 5 * Sgml.choose(1, -1));
float angle = 0;
float angularVelocity = 0.1f * (float)(random.NextDouble() * 5 - 1);
Color color = new Color(
(float)random.NextDouble(),
(float)random.NextDouble(),
(float)random.NextDouble());
float size = (float)random.NextDouble();
int ttl = 20 + random.Next(40);
return(new Particle(texture, position, velocity, angle, angularVelocity, color, size, ttl, 1));
}
public static void PackTextures(Texture2D[] textures, int pageSize, int padding = 0)
{
// 0. preapare a list of rectangles
List <Rectangle> cells = new List <Rectangle>();
cells.Add(new Rectangle(0, 0, pageSize, pageSize));
// 1. generate TexturePrepacked[] pro Texture2D[]
TexturePrepacked[] prepacked = new TexturePrepacked[textures.Length];
for (var i = 0; i < prepacked.Length; i++)
{
TexturePrepacked p = new TexturePrepacked();
p.Tex = textures[i];
p.MaxSize = textures[i].Width * textures[i].Height;
prepacked[i] = p;
}
// 2. sort input by maxsize
prepacked = prepacked.OrderByDescending(x => x.MaxSize).ToArray();
// 3. generate a new texture page
RenderTarget2D page = Sgml.surface_create(pageSize, pageSize);
// 4. find first to fit rectangle for each texture
Sgml.surface_set_target(page);
List <RectangleCadidate> candidates = new List <RectangleCadidate>();
int successful = 0;
foreach (TexturePrepacked t in prepacked)
{
candidates.Clear();
foreach (Rectangle r in cells)
{
if (t.FitsToRectangle(r, padding))
{
RectangleCadidate rc = new RectangleCadidate();
rc.r = r;
rc.LeftArea = t.LeftArea(r);
candidates.Add(rc);
}
}
if (candidates.Count > 0)
{
// Split this rectangle to two new rectangles
Rectangle r = candidates.OrderBy(x => x.LeftArea).ToList()[0].r;
Rectangle r1 = new Rectangle(r.X + t.Tex.Width + padding, r.Y, r.Width - t.Tex.Width - padding, t.Tex.Height);
Rectangle r2 = new Rectangle(r.X, r.Y + t.Tex.Height + padding, r.Width, r.Height - t.Tex.Height - padding);
Sgml.draw_sprite(t.Tex, -2, new Vector2(r.X, r.Y));
cells.Remove(r);
cells.Add(r1);
cells.Add(r2);
successful++;
}
}
Sgml.surface_reset_target();
Sgml.surface_save(page, "kokotiSurface");
Sgml.show_message(successful.ToString());
}
public bool Contains(Vector2 point)
{
return(Sgml.point_in_triangle(Point1, Point2, Point3, point) || Sgml.point_in_triangle(Point3, Point4, Point1, point));
}