////////////////////////////////////
// Derp-LineSegment Circle Casting - for field tile collisions
// Returns: true if collision, false otherwise
// out double t: this will be the parameter t, how far we can move along our vector before we get within Derp's radius of the line segment
////////////////////////////////////
public static bool DerpLineSegmentCast(Derp d, myVector v, myLineSegment wall, out double t)
{
myLineSegment derpMoveLine = new myLineSegment(d.x, d.y, v);
t = derpMoveLine.SegmentIntersectionWithRadius(wall, d.stats.radius);
return(t < 1.0 - 1e-6);
}
static public double DerpCircleCast(Derp d1, Derp d2, myVector v)
{
double distX = d2.x - d1.x;
double distY = d2.y - d1.y;
// make sure we are close before we do any of the computational checking
if (distX * distX + distY * distY > distSquaredThreshholdX)
{
return(1.0);
}
// Intersect distance
double radius = d1.stats.radius + d2.stats.radius;
// solve the quadratic to find the intersection of two circles
double A = v.x * v.x + v.y * v.y;
double B = 2 * (d1.x * v.x - d2.x * v.x + d1.y * v.y - d2.y * v.y);
double C = (d1.x * d1.x) + (d2.x * d2.x) - 2 * d2.x * d1.x + (d1.y * d1.y) + (d2.y * d2.y) - 2 * d2.y * d1.y - (radius * radius);
// unreal answers or a t that is greater than 1.0 means no collision
double discr = (B * B) - 4 * A * C;
if (discr < 0.0)
{
return(1.0); //imaginary answer
}
double t = (-B - Math.Sqrt(discr)) / (2 * A);
if (t > 1.0)
{
return(1.0); // no collision with this step size
}
// this is detecting a collision behind us
// NOTICE: there may be issues here in the future... if someone moves into us? (wait... they can't though. we guarentee that no one will move somewhere they can't... I think...)
if (t < 0.0)
{
return(1.0);
}
// BUFFER
// if we let them get right up next to each other, sometimes the floating point error is enough to let them slip through (I think)
// add a buffer if there is a collision
if (t < 1.0 - 1e-6)
{
t -= bufferDistance / Math.Sqrt(v.x * v.x + v.y * v.y);
t = Math.Max(t, 0.0);
}
return(t);
}
void spawnDerp()
{
Derp derpPrefab = pickRandomDerp();
Sprite s = derpPrefab.gameObject.GetComponent <SpriteRenderer>().sprite;
float startX = getRightPos() + s.border.y / 2;
float endX = getLeftPos() - s.border.y / 2;
float startY = getRandY();
float endY = getRandY();
Vector3 start = new Vector3(startX, startY, 0);
Vector3 end = new Vector3(endX, endY, 0);
Derp e = (Derp)Instantiate(derpPrefab, start, Quaternion.identity);
e.gameObject.transform.SetParent(this.gameObject.transform, true);
e.setPath(start, end);
}
public void TestObjectLiteralCastAttr()
{
object o = "string";
Assert.False(o is Derp);
o = Script.ToPlainObject(new { });
Assert.False(o is Derp);
o = new Derp();
Assert.False(o is Derp); // no Foo
o = Script.ToPlainObject(new { Foo = 1 });
Assert.True(o is Derp);
o = new Derp {
Foo = 2
};
Assert.True(o is Derp);
}
// Save from Add page
public IActionResult Save(string Title, IFormFile Image, int Rating)
{
Derp newderp = new Derp();
newderp.Title = Title;
newderp.Image = Image.FileName;
newderp.Rating = Rating;
db.Derps.Add(newderp);
db.SaveChanges(); // saves all of the database stuff
// save image on harddrive too
// open up a new file
FileStream fs = new FileStream("wwwroot/images/" + Image.FileName, FileMode.OpenOrCreate);
// dump in all of the image data
Image.CopyTo(fs);
// close/save file
fs.Dispose();
return(Redirect("/"));
}
public override void LoadContent()
{
ContentManager Content = Game.game.Content;
///////////////////////////////////////////////////////////////////////////////////////////
// Load Block Images and Set Offsets for necessary ones
// srcOffset is if the image is actually a strip, it tells us which src to get it from
// positionOffset tell how high off the ground this block is (for overlapping field blocks)
///////////////////////////////////////////////////////////////////////////////////////////
Dictionary <char, Texture2D> blocks = new Dictionary <char, Texture2D>();
Dictionary <char, Rectangle> srcOffset = new Dictionary <char, Rectangle>();
Dictionary <char, int> positionOffset = new Dictionary <char, int>();
// 0 Grass
blocks['0'] = Content.Load <Texture2D>(@"FieldBlocks\Block_Grass");
srcOffset['0'] = new Rectangle(0, 0, Field.BLOCK_WIDTH, blocks['0'].Height);
positionOffset['0'] = 0;
// + Road
blocks['+'] = Content.Load <Texture2D>(@"FieldBlocks\Block_Road");
srcOffset['+'] = new Rectangle(0, 0, Field.BLOCK_WIDTH, blocks['+'].Height);
positionOffset['+'] = 0;
// - Growing Zone
blocks['-'] = Content.Load <Texture2D>(@"FieldBlocks\Block_Road");
srcOffset['-'] = new Rectangle(0, 0, Field.BLOCK_WIDTH, blocks['-'].Height);
positionOffset['-'] = 0;
// * Hub Starting Point
blocks['A'] = Content.Load <Texture2D>(@"FieldBlocks\SpawnerInactive");
srcOffset['A'] = new Rectangle(0, 0, Field.BLOCK_WIDTH, blocks['A'].Height);
positionOffset['A'] = 0;
// Diagonal Blocks
// 1 bottom-right path
blocks['1'] = Content.Load <Texture2D>(@"FieldBlocks\Block_GrassCorner");
srcOffset['1'] = new Rectangle(0, 0, Field.BLOCK_WIDTH, Field.BLOCK_HEIGHT);
positionOffset['1'] = 0;
// 1 bottom-right path
blocks['2'] = Content.Load <Texture2D>(@"FieldBlocks\Block_GrassCorner");
srcOffset['2'] = new Rectangle(Field.BLOCK_WIDTH, 0, Field.BLOCK_WIDTH, Field.BLOCK_HEIGHT);
positionOffset['2'] = 0;
// 1 bottom-right path
blocks['3'] = Content.Load <Texture2D>(@"FieldBlocks\Block_GrassCorner");
srcOffset['3'] = new Rectangle(Field.BLOCK_WIDTH * 2, 0, Field.BLOCK_WIDTH, Field.BLOCK_HEIGHT);
positionOffset['3'] = 0;
// 1 bottom-right path
blocks['4'] = Content.Load <Texture2D>(@"FieldBlocks\Block_GrassCorner");
srcOffset['4'] = new Rectangle(Field.BLOCK_WIDTH * 3, 0, Field.BLOCK_WIDTH, Field.BLOCK_HEIGHT);
positionOffset['4'] = 0;
// Load other images
Texture2D[] selector = new Texture2D[2];
// 0 - SelectedBlock
selector[0] = Content.Load <Texture2D>(@"FieldBlocks\Selector");
selector[1] = Content.Load <Texture2D>(@"FieldBlocks\Deleter");
field.InitializeBlocks(blocks, srcOffset, positionOffset, selector);
///////////////////////////////////////////////////////////////////////////////////////////////////////
// Load the DNA Content
///////////////////////////////////////////////////////////////////////////////////////////////////////
Texture2D[] SpawnerBase = new Texture2D[2];
Texture2D[] SpawnerBaseEnd = new Texture2D[4];
Texture2D[] DNATexture = new Texture2D[9];
SpawnerBase[0] = Content.Load <Texture2D>(@"FieldBlocks\SpawnerInactive");
SpawnerBase[1] = Content.Load <Texture2D>(@"FieldBlocks\SpawnerActive");
SpawnerBaseEnd[0] = Content.Load <Texture2D>(@"FieldBlocks\SpawnerInactiveLeft");
SpawnerBaseEnd[1] = Content.Load <Texture2D>(@"FieldBlocks\SpawnerActiveLeft");
SpawnerBaseEnd[2] = Content.Load <Texture2D>(@"FieldBlocks\SpawnerInactiveRight");
SpawnerBaseEnd[3] = Content.Load <Texture2D>(@"FieldBlocks\SpawnerActiveRight");
DNATexture[0] = Content.Load <Texture2D>(@"FieldBlocks\RedDNA");
DNATexture[1] = Content.Load <Texture2D>(@"FieldBlocks\BlueDNA");
DNATexture[2] = Content.Load <Texture2D>(@"FieldBlocks\SolarDNA");
Spawner.InitializeTextures(SpawnerBase, SpawnerBaseEnd, DNATexture, 0);
///////////////////////////////////////////////////////////////////////////////////////////////////////
// Load the Derp Spawn
///////////////////////////////////////////////////////////////////////////////////////////////////////
DerpSpawn.InitializeTexture(Content.Load <Texture2D>(@"Derps\DerpSpawn"));
///////////////////////////////////////////////////////////////////////////////////////////////////////
// Load the Derp Content
///////////////////////////////////////////////////////////////////////////////////////////////////////
Dictionary <String, Texture2D> baseTextures = new Dictionary <String, Texture2D>();
Dictionary <String, SpriteInfo> baseOffsets = new Dictionary <String, SpriteInfo>();
Dictionary <String, Texture2D> accessoryTextures = new Dictionary <String, Texture2D>();
Dictionary <String, SpriteInfo> accessoryOffsets = new Dictionary <String, SpriteInfo>();
// Epoch 0
// Medium Sized
baseTextures.Add("e0s1", Content.Load <Texture2D>(@"Derps\derp_e0_s1"));
baseOffsets.Add("e0s1", new SpriteInfo(24, 24, 12, 17, 1));
// Give the media to the Derp class. It will handle which ones to use.
Derp.InitializeTextures(baseTextures, baseOffsets, accessoryTextures, accessoryOffsets);
// Load the Attack Sprites
Dictionary <String, Texture2D> attackTextures = new Dictionary <String, Texture2D>();
Dictionary <String, SpriteInfo> attackInfo = new Dictionary <String, SpriteInfo>();
// Small Close-Ranged Attacks
attackTextures.Add("small-close", Content.Load <Texture2D>(@"Derps\derp_attack_small"));
attackInfo.Add("small-close", new SpriteInfo(16, 16, 8, 8, 5));
// Give the media to the DerpAttack class.
DerpAttack.InitializeTextures(attackTextures, attackInfo);
// Load the GUI components
gui.LoadContent();
}
public Derp ReturnEnum(Derp num)
{
num = Derp.herp;
return num;
}
// Check for a Derp's Circle-Cast across the field
// This will work like a BFS, starting from the initial position
// then check all 4 corners around the position to build on the bfs
public bool CheckFieldCollision(Derp d, myVector v, out double t, out myLineSegment col)
{
// initial optimistic setup that there will not be a collision
bool ret = false;
t = 1.0;
col = null;
// calculate starting point
int startX = (int)(d.x / BLOCK_WIDTH);
int startY = (int)(d.y / BLOCK_HEIGHT);
// Unit Vector in desired direction
myVector vUnit = new myVector(v.x, v.y);
vUnit.toUnit();
// set up the bfs
Queue <SimpleNode> q = new Queue <SimpleNode>();
bool[,] vis = new bool[height + 1, width + 1];
q.Enqueue(new SimpleNode(startX, startY, 0));
vis[startY, startX] = true;
// Create the 4 line segments so we don't have to do quiiite as much object creation in this loop
myLineSegment[] segs = new myLineSegment[4];
for (int i = 0; i < 4; ++i)
{
segs[i] = new myLineSegment(null, null);
}
// BFS
int[] dx = { 0, 1, 0, -1 };
int[] dy = { -1, 0, 1, 0 };
int cur_step = 0;
while (q.Count > 0)
{
SimpleNode cur = q.Dequeue();
// end early if we had a hit already in a previous step
if (ret && cur_step != cur.step)
{
break;
}
// checking 4 nodes around us
myPoint p1 = new myPoint(cur.x * BLOCK_WIDTH, cur.y * BLOCK_HEIGHT);
myPoint p2 = new myPoint((cur.x + 1) * BLOCK_WIDTH, cur.y * BLOCK_HEIGHT);
myPoint p3 = new myPoint((cur.x + 1) * BLOCK_WIDTH, (cur.y + 1) * BLOCK_HEIGHT);
myPoint p4 = new myPoint(cur.x * BLOCK_WIDTH, (cur.y + 1) * BLOCK_HEIGHT);
segs[0].Update(p1, p2);
segs[1].Update(p2, p3);
segs[2].Update(p4, p3);
segs[3].Update(p1, p4);
for (int i = 0; i < 4; ++i)
{
int nx = cur.x + dx[i];
int ny = cur.y + dy[i];
if (nx < 0 || nx > width || ny < 0 || ny >= height || vis[ny, nx])
{
continue;
}
double possible_t;
if (Geometry.DerpLineSegmentCast(d, v, segs[i], out possible_t))
{
// We have a hit! If the next zone is safe to move in, then continue the bfs
if (gameGrid[ny, nx] != '0')
{
q.Enqueue(new SimpleNode(nx, ny, cur.step + 1));
vis[ny, nx] = true;
}
// We hit an unnavigable space. Stop the BFS, this is as far as we go
else
{
ret = true;
if (Math.Abs(possible_t - t) < 1e-5 && col != null)
{
// break ties by taking the furthest behind the direction we wish to go
// Calculate the center point on the wall, and get the dot product of the vector to that point.
// The most negative value is the furthest behind
myPoint segMidPoint1 = new myPoint((segs[i].p1.x + segs[i].p2.x) / 2.0, (segs[i].p1.y + segs[i].p2.y) / 2.0);
myVector toMidPoint1 = new myVector(segMidPoint1.x - d.x, segMidPoint1.y - d.y);
myPoint segMidPoint2 = new myPoint((col.p1.x + col.p2.x) / 2.0, (col.p1.y + col.p2.y) / 2.0);
myVector toMidPoint2 = new myVector(segMidPoint2.x - d.x, segMidPoint2.y - d.y);
if (vUnit.dot(toMidPoint1) < vUnit.dot(toMidPoint2))
{
t = possible_t;
col = new myLineSegment(segs[i].p1.x, segs[i].p1.y, segs[i].p2.x, segs[i].p2.y); // careful... memory bugs
}
}
else if (possible_t < t)
{
t = possible_t;
col = new myLineSegment(segs[i].p1.x, segs[i].p1.y, segs[i].p2.x, segs[i].p2.y); // careful... memory bugs
}
}
}
}
// if we are a special diagonal case, then check the cross hit as well
myLineSegment diag = null;
char c = gameGrid[cur.y, cur.x];
if (c == '1' || c == '3')
{
diag = new myLineSegment(p2, p4);
}
if (c == '2' || c == '4')
{
diag = new myLineSegment(p1, p3);
}
if (diag != null)
{
double possible_t;
if (Geometry.DerpLineSegmentCast(d, v, diag, out possible_t))
{
ret = true;
if (Math.Abs(possible_t - t) < 1e-5 && col != null)
{
// break ties by taking the furthest behind the direction we wish to go
// Calculate the center point on the wall, and get the dot product of the vector to that point.
// The most negative value is the furthest behind
myPoint segMidPoint1 = new myPoint((diag.p1.x + diag.p2.x) / 2.0, (diag.p1.y + diag.p2.y) / 2.0);
myVector toMidPoint1 = new myVector(segMidPoint1.x - d.x, segMidPoint1.y - d.y);
myPoint segMidPoint2 = new myPoint((col.p1.x + col.p2.x) / 2.0, (col.p1.y + col.p2.y) / 2.0);
myVector toMidPoint2 = new myVector(segMidPoint2.x - d.x, segMidPoint2.y - d.y);
if (vUnit.dot(toMidPoint1) < vUnit.dot(toMidPoint2))
{
t = possible_t;
col = new myLineSegment(diag.p1.x, diag.p1.y, diag.p2.x, diag.p2.y); // careful... memory bugs
}
}
else if (possible_t < t)
{
t = possible_t;
col = new myLineSegment(diag.p1.x, diag.p1.y, diag.p2.x, diag.p2.y); // careful... memory bugs
}
}
}
cur_step = cur.step;
}
return(ret);
}
