protected override void OnUpdateFrame(FrameEventArgs e)
{
base.OnUpdateFrame(e);
// Update positions
Parallel.ForEach(sprites, delegate(Sprite s)
{
s.Position += new Vector2((float)(e.Time * s.Scale.X * Math.Cos(s.Rotation)), (float)(e.Time * s.Scale.Y * Math.Sin(s.Rotation)));
});
KeyboardState keyboardState = OpenTK.Input.Keyboard.GetState();
// Quit if requested
if (keyboardState[Key.Escape])
{
Exit();
}
// Move view based on key input
float moveSpeed = 50.0f * ((keyboardState[Key.ShiftLeft] || keyboardState[Key.ShiftRight]) ? 3.0f : 1.0f); // Hold shift to move 3 times faster!
// Up-down movement
if (keyboardState[Key.Up])
{
CurrentView.Y += moveSpeed * (float)e.Time;
}
else if (keyboardState[Key.Down])
{
CurrentView.Y -= moveSpeed * (float)e.Time;
}
// Left-right movement
if (keyboardState[Key.Left])
{
CurrentView.X -= moveSpeed * (float)e.Time;
}
else if (keyboardState[Key.Right])
{
CurrentView.X += moveSpeed * (float)e.Time;
}
// Add sprites
if (keyboardState[Key.Plus])
{
addSprite();
}
// Update graphics
List <Vector2> verts = new List <Vector2>();
List <Vector2> texcoords = new List <Vector2>();
List <int> inds = new List <int>();
int vertcount = 0;
int viscount = 0;
// Get data for visible sprites
foreach (Sprite s in sprites)
{
if (s.IsVisible)
{
verts.AddRange(Sprite.GetVertices());
texcoords.AddRange(s.GetTexCoords());
inds.AddRange(s.GetIndices(vertcount));
vertcount += 4;
viscount++;
s.CalculateModelMatrix();
s.ModelViewProjectionMatrix = s.ModelMatrix * ortho;
}
}
// Buffer vertex coordinates
GL.BindBuffer(BufferTarget.ArrayBuffer, shaders[currentShader].GetBuffer("v_coord"));
GL.BufferData <Vector2>(BufferTarget.ArrayBuffer, (IntPtr)(verts.Count * Vector2.SizeInBytes), verts.ToArray(), BufferUsageHint.StaticDraw);
GL.VertexAttribPointer(shaders[currentShader].GetAttribute("v_coord"), 2, VertexAttribPointerType.Float, false, 0, 0);
// Buffer texture coords
GL.BindBuffer(BufferTarget.ArrayBuffer, shaders[currentShader].GetBuffer("v_texcoord"));
GL.BufferData <Vector2>(BufferTarget.ArrayBuffer, (IntPtr)(texcoords.Count * Vector2.SizeInBytes), texcoords.ToArray(), BufferUsageHint.StaticDraw);
GL.VertexAttribPointer(shaders[currentShader].GetAttribute("v_texcoord"), 2, VertexAttribPointerType.Float, true, 0, 0);
GL.BindBuffer(BufferTarget.ArrayBuffer, 0);
// Buffer indices
GL.BindBuffer(BufferTarget.ElementArrayBuffer, ibo_elements);
GL.BufferData(BufferTarget.ElementArrayBuffer, (IntPtr)(inds.Count * sizeof(int)), inds.ToArray(), BufferUsageHint.StaticDraw);
updated = true;
// Display average FPS and sprite statistics in title bar
avgfps = (avgfps + (1.0f / (float)e.Time)) / 2.0f;
Title = String.Format("OpenTK Sprite Demo ({0} sprites, {1} drawn, FPS:{2:0.00})", sprites.Count, viscount, avgfps);
}
protected override void OnUpdateFrame(FrameEventArgs e)
{
base.OnUpdateFrame(e);
Ticker += e.Time;
if (Ticker > 1.0)
{
// myText.UpdateText(Ticker.ToString());
Ticker -= 1.0;
}
KeyboardState keyboardState = OpenTK.Input.Keyboard.GetState();
player.Update((float)e.Time);
bool moverequest = false;
// Move view based on key input
//float moveSpeed = 2f;// 50.0f * ((keyboardState[Key.ShiftLeft] || keyboardState[Key.ShiftRight]) ? 3.0f : 1.0f); // Hold shift to move 3 times faster!
// Up-down movement
if (InputMgr.IsDown(Key.Up, Key.W))
{
//player.MoveY((moveSpeed));// * (float)e.Time));
}
else if (InputMgr.IsDown(Key.Down, Key.S))
{
//MainCamera.Y -= moveSpeed;
}
// Left-right movement
if (InputMgr.IsDown(Key.Left, Key.A))
{
player.speedX -= player.accX;
moverequest = true;
}
if (InputMgr.IsDown(Key.Right, Key.D))
{
player.speedX += player.accX;
moverequest = true;
}
if (InputMgr.IsDown(Key.W) && !player.jumping && !player.jumpKeyDown)
{
player.jumping = true;
player.jumpKeyDown = true;
player.speedY += player.jumpStartSpeedY;
}
else
{
player.jumpKeyDown = false;
}
if (player.speedX > player.maxSpeedX)
{
player.speedX = player.maxSpeedX;
}
if (player.speedX < -player.maxSpeedX)
{
player.speedX = -player.maxSpeedX;
}
if (player.speedY < -player.maxSpeedY)
{
player.speedY = -player.maxSpeedY; //Terminal Velocity
}
player.speedY -= player.accY; //Apply force of gravity
if (!moverequest)
{
if (player.speedX < 0)
{
player.speedX += player.decX;
}
if (player.speedX > 0)
{
player.speedX -= player.decX;
}
// Deceleration may produce a speed that is greater than zero but
// smaller than the smallest unit of deceleration. These lines ensure
// that the player does not keep travelling at slow speed forever after
// decelerating.
if (player.speedX > 0 && player.speedX < player.decX)
{
player.speedX = 0;
}
if (player.speedX < 0 && player.speedX > -player.decX)
{
player.speedX = 0;
}
}
//if(player.Position != player.LastPosition)
MainCamera.CenterOnTarget(player.Position);//
// Quit if requested
if (InputMgr.IsDown(Key.Escape))
{
Exit();
}
if (InputMgr.IsDown(Key.Q))
{
int leftOf = ((int)player.Left / Properties.Settings.Default.TileSize);
int heightOf = ((int)player.Top / Properties.Settings.Default.TileSize) - 1;
world.blocks[leftOf, heightOf].TileID = 5;
world.blocks[leftOf + 1, heightOf].TileID = 5;
}
if (InputMgr.IsDown(Key.Plus, Key.KeypadPlus))
{
Console.WriteLine(String.Format("player x: {0}, y: {1}. w: {2}", player.position.X, player.position.Y, (world.Width * Properties.Settings.Default.TileSize) - MainCamera.Width));
Console.WriteLine(String.Format("sprite: x: {0}, y: {1}. w: {2}", player.sprite.Position.X, player.sprite.Position.Y, (world.Width * Properties.Settings.Default.TileSize) - MainCamera.Width));
}
// Update graphics
List <Vector2> verts = new List <Vector2>();
List <Vector2> texcoords = new List <Vector2>();
List <int> inds = new List <int>();
int vertcount = 0;
int viscount = 0;
// Get data for visible sprites
//foreach (Sprite s in sprites)
if (DRAW_BLOCKS)
{
for (int y = 0; y < world.blocks.GetLength(1); y++)
{
for (int x = 0; x < world.blocks.GetLength(0); x++)
{
if (world.blocks[x, y].IsVisible)
{
//verts.AddRange(Sprite.GetVertices());
verts.AddRange(Sprite.GetVertices());
//texcoords.AddRange(t.GetTexCoords());
texcoords.AddRange(TextureMgr.GetTexCoords(world.blocks[x, y].TileID));
inds.AddRange(Sprite.GetIndices(vertcount));
vertcount += 4;
viscount++;
world.blocks[x, y].CalculateModelMatrix();
world.blocks[x, y].ModelViewProjectionMatrix = world.blocks[x, y].ModelMatrix * ortho3d;
}
}
}
}
if (DRAW_PLAYER && player.sprite.IsVisible)
{
/*Vector2mousePos = new Vector2(e.X, e.Y);
* mousePos.X += MainCamera.X;
* mousePos.Y = ClientSize.Height - mousePos.Y + MainCamera.Y;
* if (mousePos.X < player.Left + (player.Width / 2)) player.facingRight = false;
*/
//else player.facingRight = true;
//if (player.facingRight)
// player.sprite.Size = new Size(-32, 48);
//else player.sprite.Size = new Size(32, 48);
verts.AddRange(Sprite.GetVertices());
texcoords.AddRange(player.sprite.GetTexCoords());
inds.AddRange(Sprite.GetIndices(vertcount));
vertcount += 4;
viscount++;
player.sprite.CalculateModelMatrix();
player.sprite.ModelViewProjectionMatrix = player.sprite.ModelMatrix * ortho3d;
verts.AddRange(Sprite.GetVertices());
texcoords.AddRange(item.sprite.GetTexCoords());
inds.AddRange(Sprite.GetIndices(vertcount));
vertcount += 4;
viscount++;
item.sprite.CalculateModelMatrix();
item.sprite.ModelViewProjectionMatrix = item.sprite.ModelMatrix * ortho3d;
}
foreach (GLText glt in UIMgr.Elements)
{
if (DRAW_GUI)//(myChar.IsVisible)
{
verts.AddRange(Sprite.GetVertices());
texcoords.AddRange(DBG_GL.GLHelper.GetCommonTexCoords());
inds.AddRange(Sprite.GetIndices(vertcount));
vertcount += 4;
viscount++;
glt.CalculateModelMatrix();
glt.ModelViewProjectionMatrix = glt.ModelMatrix * ortho3d;
}
}
// Buffer vertex coordinates
GL.BindBuffer(BufferTarget.ArrayBuffer, ShaderMgr.CurrentShader.GetBuffer("v_coord"));
GL.BufferData <Vector2>(BufferTarget.ArrayBuffer, (IntPtr)(verts.Count * Vector2.SizeInBytes), verts.ToArray(), BufferUsageHint.StaticDraw);
GL.VertexAttribPointer(ShaderMgr.CurrentShader.GetAttribute("v_coord"), 2, VertexAttribPointerType.Float, false, 0, 0);
// Buffer texture coords
GL.BindBuffer(BufferTarget.ArrayBuffer, ShaderMgr.CurrentShader.GetBuffer("v_texcoord"));
GL.BufferData <Vector2>(BufferTarget.ArrayBuffer, (IntPtr)(texcoords.Count * Vector2.SizeInBytes), texcoords.ToArray(), BufferUsageHint.StaticDraw);
GL.VertexAttribPointer(ShaderMgr.CurrentShader.GetAttribute("v_texcoord"), 2, VertexAttribPointerType.Float, true, 0, 0);
GL.BindBuffer(BufferTarget.ArrayBuffer, 0);
// Buffer indices
GL.BindBuffer(BufferTarget.ElementArrayBuffer, ibo_elements);
GL.BufferData(BufferTarget.ElementArrayBuffer, (IntPtr)(inds.Count * sizeof(int)), inds.ToArray(), BufferUsageHint.StaticDraw);
updated = true;
// Display average FPS and sprite statistics in title bar
avgfps = (avgfps + (1.0f / (float)e.Time)) / 2.0f;
Title = String.Format("OpenTK Sprite Demo ({0} sprites, {1} drawn, FPS:{2:0.00})", 0 /*sprites.Count*/, viscount, avgfps);
}
