public void Draw(VertexArray vertices, RenderStates states) {
if (!drawing) return;
// Render states have changed, so flush and clear.
if (!CompareStates(renderStates, states)) {
Flush();
vertexArray.Clear();
renderStates = states;
}
// Exceeding maximum sprites, so flush and clear.
if (DrawCount >= MaxSprites) {
Flush();
DrawCount = 0;
vertexArray.Clear();
}
// Apply the transform to the four points
var transform = states.Transform;
// Append the vertices
for (uint i = 0; i < vertices.VertexCount; i++) {
var vertex = vertices[i];
var pos = transform.TransformPoint(vertex.Position.X, vertex.Position.Y);
vertex.Position.X = pos.X;
vertex.Position.Y = pos.Y;
vertexArray.Append(vertex);
}
DrawCount++;
// I think that's it?
}
public LineSegment(SFML.Window.Vector2f start, SFML.Window.Vector2f end, SFML.Graphics.Color color)
{
Start = start;
End = end;
linePoints = new VertexArray(PrimitiveType.Lines);
linePoints.Append(new Vertex(start) { Color = color });
linePoints.Append(new Vertex(end) { Color = color });
}
public LineSegment(SFML.Window.Vector2f start, SFML.Window.Vector2f end)
{
Start = start;
End = end;
linePoints = new VertexArray(PrimitiveType.Lines);
linePoints.Append(new Vertex(start));
linePoints.Append(new Vertex(end));
}
public DebugView(Game game, PhysicsManager physicsManager)
{
_game = game;
_physicsManager = physicsManager;
_triangleVertices = new VertexArray(PrimitiveType.Triangles);
_lineVertices = new VertexArray(PrimitiveType.Lines);
_staticColor = new Color(100, 150, 100);
_dynamicColor = new Color(100, 100, 150);
}
protected override void UpdateDrawable()
{
base.UpdateDrawable();
if (fill == 1) {
//draw box
SFMLVertices = new VertexArray(PrimitiveType.Quads);
Append(SFMLVertices, 0, 0);
Append(SFMLVertices, Width, 0);
Append(SFMLVertices, Width, Height);
Append(SFMLVertices, 0, Height);
}
else {
SFMLVertices = new VertexArray(PrimitiveType.TrianglesFan);
if (fill > 0) {
//draw center
Append(SFMLVertices, HalfWidth, HalfHeight);
//draw middle top
Append(SFMLVertices, HalfWidth, 0);
if (fill >= 0.125f) {
//draw left top
Append(SFMLVertices, 0, 0);
}
if (fill >= 0.375f) {
//draw left bottom
Append(SFMLVertices, 0, Height);
}
if (fill >= 0.625f) {
//draw right bottom
Append(SFMLVertices, Width, Height);
}
if (fill >= 0.875f) {
//draw right top
Append(SFMLVertices, Width, 0);
}
// get vector of angle
var v = new Vector2(Util.PolarX(FillAngle, HalfWidth), Util.PolarY(FillAngle, HalfHeight));
// adjust length of vector to meet square
var l = (float)Math.Max(Math.Abs(v.X), Math.Abs(v.Y));
if (l <= HalfWidth) {
v.X /= l;
v.Y /= l;
}
// append the vector
Append(SFMLVertices, HalfWidth + (float)v.X * HalfWidth, HalfHeight + (float)v.Y * HalfHeight);
}
}
}
public void LoadContent()
{
//verts = new VertexTypeList.PositionDiffuse2DTexture1[4]
// {
// new VertexTypeList.PositionDiffuse2DTexture1(new Vector3(1, -1, 0), Color.Transparent, new Vector2(1, 1)),
// new VertexTypeList.PositionDiffuse2DTexture1(new Vector3(-1, -1, 0), Color.Transparent,new Vector2(0, 1)),
// new VertexTypeList.PositionDiffuse2DTexture1(new Vector3(-1, 1, 0), Color.Transparent, new Vector2(0, 0)),
// new VertexTypeList.PositionDiffuse2DTexture1(new Vector3(1, 1, 0), Color.Transparent, new Vector2(1, 0))
// };
vertex = new VertexArray(PrimitiveType.Lines, 4);
vertex[0] = new Vertex(new Vector2(1,-1), Color.Transparent.ToSFMLColor(),new Vector2(1,1));
vertex[1] = new Vertex(new Vector2(-1, -1), Color.Transparent.ToSFMLColor(), new Vector2(0, 1));
vertex[2] = new Vertex(new Vector2(-1, 1), Color.Transparent.ToSFMLColor(), new Vector2(0, 0));
vertex[3] = new Vertex(new Vector2(1, 1), Color.Transparent.ToSFMLColor(), new Vector2(1, 0));
}
public void Draw(RenderTarget target, RenderStates states)
{
VertexArray vertices = new VertexArray(PrimitiveType.Lines);
for (int x = 0; x < viewSize.X; x += size)
{
vertices.Append(new Vertex(sim.Window.MapPixelToCoords(new Vector2i(x - viewOffset.X, 0)), color));
vertices.Append(new Vertex(sim.Window.MapPixelToCoords(new Vector2i(x - viewOffset.X, (int)viewSize.Y)), color));
}
for (int y = 0; y < viewSize.Y; y += size)
{
vertices.Append(new Vertex(sim.Window.MapPixelToCoords(new Vector2i(0, y - viewOffset.Y)), color));
vertices.Append(new Vertex(sim.Window.MapPixelToCoords(new Vector2i((int)viewSize.X, y - viewOffset.Y)), color));
}
vertices.Draw(target, states);
}
public Tilemap(TextureAtlas atlas, int width, int height, float tileTextureDimension, float tileWorldDimension, Tile[,] tiles)
{
_atlas = atlas;
_width = width;
_height = height;
_tileSize = tileTextureDimension;
_cellSize = tileWorldDimension;
Tiles = tiles;
_vertexArray = new VertexArray(PrimitiveType.Quads, (uint)(width * height * 4));
for (int x = 0; x < width; x++)
{
for (int y = 0; y < height; y++)
{
AddTileVertices(tiles[x, y], new Vector2f(x, y));
}
}
}
protected override void UpdateDrawable()
{
base.UpdateDrawable();
Color nextColor = ColorA;
Color rowColor = nextColor;
SFMLVertices = new VertexArray(PrimitiveType.Quads);
for (float j = 0; j < Height; j += GridHeight) {
for (float i = 0; i < Width; i += GridWidth) {
SFMLVertices.Append(new Vertex(new Vector2f(i, j), nextColor.SFMLColor));
SFMLVertices.Append(new Vertex(new Vector2f(i + GridWidth, j), nextColor.SFMLColor));
SFMLVertices.Append(new Vertex(new Vector2f(i + GridWidth, j + GridHeight), nextColor.SFMLColor));
SFMLVertices.Append(new Vertex(new Vector2f(i, j + GridHeight), nextColor.SFMLColor));
nextColor = nextColor == ColorA ? ColorB : ColorA;
}
rowColor = nextColor = rowColor == ColorA ? ColorB : ColorA;
}
}
public Tilemap(Texture tileset, int width, int height, float tileTextureDimension, float tileWorldDimension)
{
this.tileset = tileset;
this.width = width;
this.height = height;
this.tileTextureDimension = tileTextureDimension;
this.tileWorldDimension = tileWorldDimension;
vertexArray = new VertexArray(PrimitiveType.Quads, (uint)(width * height * 4));
Tile tile = new Tile(1, 2, Color.White);
for(int x = 0; x < width; x++)
{
for(int y = 0; y < height; y++)
{
AddTileVertices(tile, new Vector2f((float)x, (float)y));
}
}
}
public void DrawSimpleLine(int x1, int y1, int x2, int y2, Color color = new Color())
{
if (!ArePointsOnScreen(x1, y1, x2, y2))
{
return;
}
var zoom = GetZoom();
int real_x1 = (int)(x1 * zoom);
int real_x2 = (int)(x2 * zoom);
int real_y1 = (int)(y1 * zoom);
int real_y2 = (int)(y2 * zoom);
SFML.Graphics.VertexArray line = new SFML.Graphics.VertexArray();
line.PrimitiveType = SFML.Graphics.PrimitiveType.Lines;
line.Append(new Vertex(new SFML.System.Vector2f(real_x1, real_y1), new SFML.Graphics.Color(color.R, color.G, color.B, color.A)));
line.Append(new Vertex(new SFML.System.Vector2f(real_x2, real_y2), new SFML.Graphics.Color(color.R, color.G, color.B, color.A)));
RenderWindow.Draw(line);
}
public VisbilityMap(Vector2f center, float radius)
{
_center = center;
_radius = radius;
_maxRayDistance = (float)Math.Sqrt(2 * (radius * radius)) + 0.5f;
_segments = new List<Segment>();
_bounds = new List<Segment>(new Segment[4]);
_visibleSegments = new List<Segment>();
_boundRect = new FloatRect();
_boundsNeedUpdate = true;
ComputeBoundaries();
_visMesh = new VertexArray(PrimitiveType.TrianglesFan);
_visMeshNeedsUpdate = true;
}
void DebugDraw(RenderWindow win)
{
debugGraphic.FillColor = Color.Red;
debugGraphic.Position = Position - ((Vector2)debugGraphic.Size / 2F);
win.Draw(debugGraphic);
foreach (Rune adjacentRune in AdjacentRunes)
{
//if (this.GetType() == adjacentRune.GetType())
{
VertexArray line = new VertexArray();
line.Append(new Vertex(Position));
for (float t = 0F; t < 1F; t += 0.01F)
{
line.Append(new Vertex(Vector2.lerp(Position, adjacentRune.Position, t)));
}
line.Append(new Vertex(adjacentRune.Position));
win.Draw(line);
}
}
}
protected SquareGridBase(Vector2i cellSize, Vector2i gridSize)
{
GridSize = gridSize;
CellSize = cellSize;
m_QuadArray = new VertexArray(PrimitiveType.Quads, (uint) (gridSize.X * gridSize.Y * 4));
m_LineArray = new VertexArray(PrimitiveType.Lines, (uint) (gridSize.X + gridSize.Y + 2) * 2);
for (uint y = 0; y < gridSize.Y; y++)
{
for (uint x = 0; x < gridSize.X; x++)
{
var i = (uint) ((x + (y * gridSize.X)) * 4);
var topLeft = new Vector2f(cellSize.X*x, cellSize.Y*y);
var topRight = topLeft + new Vector2f(cellSize.X, 0);
var bottomLeft = topLeft + new Vector2f(0, cellSize.Y);
var bottomRight = topLeft + new Vector2f(cellSize.X, cellSize.Y);
m_QuadArray[i] = new Vertex(topLeft, Color.Black);
m_QuadArray[i + 1] = new Vertex(topRight, Color.Black);
m_QuadArray[i + 2] = new Vertex(bottomRight, Color.Black);
m_QuadArray[i + 3] = new Vertex(bottomLeft, Color.Black);
}
}
for (uint x = 0; x <= gridSize.X; x++)
{
m_LineArray[x*2] = new Vertex(new Vector2f(x * cellSize.X, 0), Color.White);
m_LineArray[(x*2) + 1] = new Vertex(new Vector2f(x * cellSize.X, cellSize.Y * gridSize.Y), Color.White);
}
var yOffset = (uint) ((gridSize.X + 1)*2);
for (uint y = 0; y <= gridSize.Y; y++)
{
m_LineArray[yOffset + (y*2)] = new Vertex(new Vector2f(0, y * cellSize.Y), Color.White);
m_LineArray[yOffset + (y*2) + 1] = new Vertex(new Vector2f(cellSize.X * gridSize.X, y * cellSize.Y), Color.White);
}
}
public override void Draw(RenderTarget target, RenderStates states)
{
var corners = game.WindowBounds.Corners().Concat(game.World.Objects.SelectMany(o => o.Bounds.Corners()));
var edges = game.WindowBounds.Edges().Concat(game.World.Objects.SelectMany(o => o.Bounds.Edges()));
//foreach (var edge in edges)
// Debug.DrawLine(edge.start, edge.end);
var hits =
from c in corners
let angle = Radians(c.Angle(Position))
let hit = Raycast(Position, c, edges)
let left = Raycast(Position, angle - 0.0001f, 10000f, edges)
let right = Raycast(Position, angle + 0.0001f, 10000f, edges)
where hit.HasValue && left.HasValue && right.HasValue
from h in new[] {
new { Hit = hit, Angle = angle },
new { Hit = left, Angle = angle - 0.0001f },
new { Hit = right, Angle = angle + 0.0001f } }
let a = NormalizeAngle(Position.Angle(h.Hit.Value.ClosestHit))
orderby h.Angle
select h.Hit.Value.ClosestHit;
//foreach (var hit in hits)
//{
// Debug.DrawLine(Position, hit, Color.Red);
// Debug.DrawCircle(hit, 5f, 8, Color.Red);
//}
var vertices = new VertexArray(PrimitiveType.Triangles);
var center = new Vertex(Position, Color);
foreach (var hit in hits.Pairs(Position))
vertices.Append(new Vertex(hit, Color));
target.Draw(vertices);
}
public void DrawLine(RenderWindow win, Vector2 from, Vector2 to)
{
VertexArray line = new VertexArray();
for (float t = 0F; t < 1F; t += 0.01F)
{
line.Append(new Vertex(Vector2.lerp(from, to, t)));
}
line.Append(new Vertex(to));
win.Draw(line);
}
internal void AppendVertices(VertexArray array) {
if(!FlipX && !FlipY)
{
array.Append(CreateVertex(0, 0, 0, 0));
array.Append(CreateVertex(Width, 0, Width, 0));
array.Append(CreateVertex(Width, Height, Width, Height));
array.Append(CreateVertex(0, Height, 0, Height));
}
if(FlipX && FlipY)
{
array.Append(CreateVertex(0, 0, Width, Height));
array.Append(CreateVertex(Width, 0, 0, Height));
array.Append(CreateVertex(Width, Height, 0, 0));
array.Append(CreateVertex(0, Height, Width, 0));
}
if(FlipX & !FlipY)
{
array.Append(CreateVertex(0, 0, Width, 0));
array.Append(CreateVertex(Width, 0, 0, 0));
array.Append(CreateVertex(Width, Height, 0, Height));
array.Append(CreateVertex(0, Height, Width, Height));
}
if (!FlipX & FlipY)
{
array.Append(CreateVertex(0, 0, 0, Height));
array.Append(CreateVertex(Width, 0, Width, Height));
array.Append(CreateVertex(Width, Height, Width, 0));
array.Append(CreateVertex(0, Height, 0, 0));
}
}
private void Rebuild()
{
vertexArray = new VertexArray(PrimitiveType.Quads);
var mapWidth = tiles.GetUpperBound(0) + 1;
var mapHeight = tiles.GetUpperBound(1) + 1;
var tileSize = GameOptions.TileSize;
var tileMapWidth = (int)texture.Size.X / tileSize;
var chunkSize = GameOptions.TileChunkSize;
var startX = chunkX * chunkSize;
var startY = chunkY * chunkSize;
var endX = Math.Min(startX + chunkSize, mapWidth);
var endY = Math.Min(startY + chunkSize, mapHeight);
for (var y = startY; y < endY; y++)
{
for (var x = startX; x < endX; x++)
{
if (tiles[x, y].Index >= lastTile) continue;
var last = vertexArray.VertexCount;
vertexArray.Resize(vertexArray.VertexCount + 4);
var itexX = (tiles[x, y].Index % tileMapWidth) * tileSize;
var itexY = (tiles[x, y].Index / tileMapWidth) * tileSize;
// HACK: SFML's weird rendering
var texX = itexX + 0.01f;
var texY = itexY - 0.01f;
vertexArray[last + 0] = new Vertex(new Vector2f(x * tileSize, y * tileSize),
new Vector2f(texX, texY));
vertexArray[last + 1] = new Vertex(new Vector2f((x * tileSize) + tileSize, y * tileSize),
new Vector2f(texX + tileSize, texY));
vertexArray[last + 2] = new Vertex(new Vector2f((x * tileSize) + tileSize, (y * tileSize) + tileSize),
new Vector2f(texX + tileSize, texY + tileSize));
vertexArray[last + 3] = new Vertex(new Vector2f(x * tileSize, (y * tileSize) + tileSize),
new Vector2f(texX, texY + tileSize));
}
}
Dirty = false;
}
void Append(VertexArray v, float x, float y, float tx, float ty) {
v.Append(new Vertex(new Vector2f(x, y), new Vector2f(tx, ty)));
}
protected override void UpdateDrawable() {
var minWidth = sliceX1 + tWidth - sliceX2;
panelScaleX = (float)Width / (float)minWidth;
if (panelScaleX > 1) panelScaleX = 1;
var minHeight = sliceY1 + tHeight - sliceY2;
panelScaleY = (float)Height / (float)minHeight;
if (panelScaleY > 1) panelScaleY = 1;
var v = new VertexArray(PrimitiveType.Quads);
int x0, x1, x2, x3, y0, y1, y2, y3;
int u0, u1, u2, u3, v0, v1, v2, v3;
x0 = 0;
y0 = 0;
x1 = sliceX1;
y1 = sliceY1;
x2 = Width - (tWidth - sliceX2);
y2 = Height - (tHeight - sliceY2);
x3 = Width;
y3 = Height;
u0 = TextureLeft;
v0 = TextureTop;
u1 = TextureLeft + sliceX1;
v1 = TextureTop + sliceY1;
u2 = TextureLeft + sliceX2;
v2 = TextureTop + sliceY2;
u3 = TextureLeft + tWidth;
v3 = TextureTop + tHeight;
if (panelScaleX < 1) {
x1 = (int)Math.Round(x1 * panelScaleX);
x2 = x1;
}
if (panelScaleY < 1) {
y1 = (int)Math.Round(y1 * panelScaleY);
y2 = y1;
}
int tileX = sliceX2 - sliceX1;
int tileY = sliceY2 - sliceY1;
if (PanelType == PanelType.Stretch) {
//top
DrawQuad(v, x1, y0, x2, y1, u1, v0, u2, v1);
//left
DrawQuad(v, x0, y1, x1, y2, u0, v1, u1, v2);
//right
DrawQuad(v, x2, y1, x3, y2, u2, v1, u3, v2);
//bottom
DrawQuad(v, x1, y2, x2, y3, u1, v2, u2, v3);
//middle
DrawQuad(v, x1, y1, x2, y2, u1, v1, u2, v2);
}
else {
for (int xx = x1; xx < x2; xx += tileX) {
for (int yy = y1; yy < y2; yy += tileY) {
//middle
DrawQuad(v, xx, yy, xx + tileX, yy + tileY, u1, v1, u2, v2);
}
}
for (int yy = y1; yy < y2; yy += tileY) {
//left
DrawQuad(v, x0, yy, x1, yy + tileY, u0, v1, u1, v2);
//right
DrawQuad(v, x2, yy, x3, yy + tileY, u2, v1, u3, v2);
}
for (int xx = x1; xx < x2; xx += tileX) {
//top
DrawQuad(v, xx, y0, xx + tileX, y1, u1, v0, u2, v1);
//bottom
DrawQuad(v, xx, y2, xx + tileX, y3, u1, v2, u2, v3);
}
}
//top left
DrawQuad(v, x0, y0, x1, y1, u0, v0, u1, v1);
//top right
DrawQuad(v, x2, y0, x3, y1, u2, v0, u3, v1);
//bottom left
DrawQuad(v, x0, y2, x1, y3, u0, v2, u1, v3);
//bottom right
DrawQuad(v, x2, y2, x3, y3, u2, v2, u3, v3);
SFMLVertices = v;
}
void DrawQuad(VertexArray v, float x1, float y1, float x2, float y2, float u1, float v1, float u2, float v2) {
float cx1 = x1, cx2 = x2, cy1 = y1, cy2 = y2;
float cu1 = u1, cu2 = u2, cv1 = v1, cv2 = v2;
if (usePanelClip) {
cx1 = Util.Clamp(x1, ClippingRegion.Left, ClippingRegion.Right);
cu1 = Util.ScaleClamp(cx1, x1, x2, u1, u2);
cx2 = Util.Clamp(x2, ClippingRegion.Left, ClippingRegion.Right);
cu2 = Util.ScaleClamp(cx2, x1, x2, u1, u2);
cy1 = Util.Clamp(y1, ClippingRegion.Top, ClippingRegion.Bottom);
cv1 = Util.ScaleClamp(cy1, y1, y2, v1, v2);
cy2 = Util.Clamp(y2, ClippingRegion.Top, ClippingRegion.Bottom);
cv2 = Util.ScaleClamp(cy2, y1, y2, v1, v2);
}
v.Append(cx1, cy1, Color, cu1, cv1);
v.Append(cx2, cy1, Color, cu2, cv1);
v.Append(cx2, cy2, Color, cu2, cv2);
v.Append(cx1, cy2, Color, cu1, cv2);
}
/// <summary>
/// Render debug information in the console.
/// </summary>
public override void RenderDebug(SFML.Graphics.VertexArray vertexArray)
{
// TODO: render the grid lol
}
////////////////////////////////////////////////////////////
/// <summary>
/// Construct the vertex array from another vertex array
/// </summary>
/// <param name="copy">Transformable to copy</param>
////////////////////////////////////////////////////////////
public VertexArray(VertexArray copy) :
base(sfVertexArray_copy(copy.CPointer))
{
}
public StormBlink()
: base("storm + blink")
{
Random random = new Random();
// Create the points
myPoints = new VertexArray(PrimitiveType.Points);
for (int i = 0; i < 40000; ++i)
{
float x = (float)random.Next(0, 800);
float y = (float)random.Next(0, 600);
byte r = (byte)random.Next(0, 255);
byte g = (byte)random.Next(0, 255);
byte b = (byte)random.Next(0, 255);
myPoints.Append(new Vertex(new Vector2f(x, y), new Color(r, g, b)));
}
// Load the shader
myShader = new Shader("resources/storm.vert", "resources/blink.frag");
}
static Draw()
{
verts = new VertexArray(SFML.Graphics.PrimitiveType.Lines);
}
internal void Draw(Texture texture, float x, float y, float originX, float originY, int width, int height, float scaleX, float scaleY, float angle, Color color = null, BlendMode blend = BlendMode.Alpha, Shader shader = null)
{
states = new RenderStates(Texture.SFMLTexture);
states.BlendMode = (SFML.Graphics.BlendMode)Blend;
if (Shader != null) {
states.Shader = Shader.shader;
}
states.Transform.Translate(x - OriginX, y - OriginY);
states.Transform.Rotate(-Angle, OriginX, OriginY);
states.Transform.Scale(ScaleX, ScaleY, OriginX, OriginY);
var v = new VertexArray(PrimitiveType.Quads);
if (color == null) color = Color.White;
v.Append(x, y, color, 0, 0);
v.Append(x + width, y, color, width, 0);
v.Append(x + width, y + height, color, width, height);
v.Append(x, y + height, color, 0, height);
Draw(v, states);
}
internal void AppendVertices(VertexArray array) {
array.Append(CreateVertex());
array.Append(CreateVertex(Width, 0, Width));
array.Append(CreateVertex(Width, Height, Width, Height));
array.Append(CreateVertex(0, Height, 0, Height));
}
void Append(VertexArray v, float x, float y)
{
v.Append(x, y, Color);
}
// This right here my friend.
public void SendWhiteboarDrawnSomething(VertexArray v, byte tool)
{
NetOutgoingMessage om = _client.CreateMessage();
om.WriteVariableInt32((int)ClientSendType.ClientSendWhiteboardDrawnSomething);
om.Write(tool);
om.Write(v.VertexCount + 3);
for (int i = 0; i < v.VertexCount + 3; i++)
{
if (i > 2)
{
int testA = (int)v[(uint)i - 3].Position.X;
int testB = (int)v[(uint)i - 3].Position.Y;
Console.WriteLine("server: index: " + (i - 3) + " x: " + testA + " y: " + testB);
om.WriteVariableInt32(testA);
om.WriteVariableInt32(testB);
om.Write(v[(uint)i - 3].Color.R);
om.Write(v[(uint)i - 3].Color.G);
om.Write(v[(uint)i - 3].Color.B);
om.Write(v[(uint)i - 3].Color.A);
}
else
{
int testA = (int)v[(uint)i].Position.X;
int testB = (int)v[(uint)i].Position.Y;
Console.WriteLine("server: index: " + i + " x: " + testA + " y: " + testB);
om.WriteVariableInt32(testA);
om.WriteVariableInt32(testB);
om.Write(v[(uint)i].Color.R);
om.Write(v[(uint)i].Color.G);
om.Write(v[(uint)i].Color.B);
om.Write(v[(uint)i].Color.A);
}
}
_client.SendMessage(om, NetDeliveryMethod.ReliableOrdered, 0);
_client.FlushSendQueue();
}
/*
* @param _funcType Style of the top line that generated
* @param _res Size of mapunits for one linear segment
* */
public PolygonActor(World _world, Vector2 _position, uint _seed, FunctionType _funcType, int _res = 5)
: base(_world, _position)
{
int lineCount = (int)Constants.worldSizeX / _res;
//make sure to have an even number
if (lineCount % 2 != 0) lineCount++;
Vec2[] verts = new Vec2[(int)lineCount + 1 + 4];
vertexBuffer = new VertexArray(PrimitiveType.LinesStrip);
Vector2 posScreen = _position.toScreenCoord();
//repeatable random sequenze
Rand rnd = new Rand(_seed);
//start and end have even ground
verts[0] = new Vec2(0, 6);
verts[1] = new Vec2(_res, 6);
verts[2] = new Vec2(_res + _res, 6);
verts[lineCount - 2] = new Vec2(_res * (lineCount - 2), 6);
verts[lineCount-1] = new Vec2(_res * (lineCount-1), 6);
verts[lineCount] = new Vec2(_res * lineCount, 6);
vertexBuffer.Append(new Vertex(((Vector2)verts[0] + _position).toScreenCoord()));
//create the function
if (_funcType == FunctionType.Simple)
{
for (int i = 2; i <= lineCount; ++i)
{
//Vector2 pos = new Vec2(i * 5, 10 + Rand.IntValue(10));
Vector2 pos = new Vec2(i * _res, System.Math.Max((verts[i - 1].Y + (int)rnd.next(6) - 3), 0));
verts[i] = pos;
}
}
else if(_funcType == FunctionType.GradientNoise)
{
for (int i = 2; i < lineCount-3;)
{
int nextGrad = i + 4;
if (nextGrad < lineCount - 2)
{
verts[nextGrad] = new Vec2(nextGrad * _res, rnd.next((int)maxHeight));
}
else nextGrad = lineCount - 2;
//interpolate between
float relativeA = verts[i].Y / maxHeight;
float relativeB = verts[nextGrad].Y / maxHeight;
for (int c = i + 1; c < nextGrad; ++c)
{
verts[c] = new Vec2(c * _res, maxHeight * interpolateCos(relativeA, relativeB, (float)(c - i) / 4));
}
i = nextGrad;
}
}
Array.Resize<Body>(ref triangleBodys, lineCount);
PolygonDef triangleDef = new PolygonDef();
triangleDef.Density = 0.0f;
triangleDef.Friction = 1.0f;
triangleDef.VertexCount = 3;
BodyDef bodydef = new BodyDef();
bodydef.Position = _position;
bodydef.Angle = 0.0f;
//convert to triangles
for (int i = 0; i < lineCount; ++i)
{
//always 3 points of the function form a triangle
triangleDef.Vertices[0] = verts[i];
triangleDef.Vertices[1] = verts[i] - new Vec2(0.0f, 50.0f);
triangleDef.Vertices[2] = verts[i + 1];//.Y < verts[i+1].Y ? verts[i] : verts[i + 1]
triangleBodys[i] = _world.CreateBody(bodydef);
triangleBodys[i].CreateShape(triangleDef);
vertexBuffer.Append(new Vertex(((Vector2)verts[i+1] + _position).toScreenCoord()));
}
}
public Client(string address, int port)
{
vertex = new VertexArray(PrimitiveType.TrianglesStrip);
Init(address, port);
}
/// <summary>
/// This method draw the received vertex, used by both the client and the server
/// Call when whether the server draw something or the client draw something and
/// had sent the information over
/// </summary>
/// <param name="v">V is the vertex array of the drawn line</param>
/// <param name="tool">Tool is the byte that define which tool is being drawn, corresponse to ToolType enum</param>
public void DrawReceivedVertex(VertexArray v, byte tool)
{
if (tool == (byte)ToolType.Pencil)
forDraw.Draw(v);
else
forDraw.Draw(v, rState);
}
public override void DrawSolidPolygon(Vector2[] vertices, int count, float red, float blue, float green)
{
var col = new Color((byte)red, (byte)green, (byte)blue);
var va = new VertexArray(PrimitiveType.Quads, (uint)count);
for (uint i = 0; i < count; i++)
{
va[i] = new Vertex(new Vector2f(vertices[i].X * 64, vertices[i].Y * 64), col);
}
rt.Draw(va);
}
