internal void ApplyForces()
{
for (int i = 0; i < m_physicBodyComponents.Count; i++)
{
// Add gravity
if (m_physicBodyComponents[i].IsAffectedByGravity)
{
m_physicBodyComponents[i].AddGravityForce();
}
// Add Forces
if (!m_physicBodyComponents[i].IsStatic)
{
// Gravity force
Vector2f calcedGravityForce = m_physicBodyComponents[i].CurrentGravityForce;
// Move body
Vector2f moveAmnt = m_physicBodyComponents[i].CurrentActingForce + calcedGravityForce;
TackObject obj = m_physicBodyComponents[i].GetParent();
obj.Position += moveAmnt;
// Calculate a slowdown force based on mass
float decreaseMod = ((m_physicBodyComponents[i].Mass / 120.0f) * 0.33f) + ((m_physicBodyComponents[i].Drag / 40.0f) * 0.66f);
Vector2f newActingForceVec = m_physicBodyComponents[i].CurrentActingForce;
// Add the new forces and clamp to 0.
if (m_physicBodyComponents[i].CurrentActingForce.X < 0)
{
newActingForceVec.X = Math.TackMath.Clamp(newActingForceVec.X + decreaseMod, float.NegativeInfinity, 0);
}
else
{
newActingForceVec.X = Math.TackMath.Clamp(newActingForceVec.X - decreaseMod, 0, float.PositiveInfinity);
}
if (m_physicBodyComponents[i].CurrentActingForce.Y < 0)
{
newActingForceVec.Y = Math.TackMath.Clamp(newActingForceVec.Y + decreaseMod, float.NegativeInfinity, 0);
}
else
{
newActingForceVec.Y = Math.TackMath.Clamp(newActingForceVec.Y - decreaseMod, 0, float.PositiveInfinity);
}
m_physicBodyComponents[i].CurrentActingForce = newActingForceVec * (float)(EngineTimer.LastCycleTime);
}
}
}
public static void TackObjectGetInfo(string[] args)
{
if (args.Length == 2)
{
// Try and get the TackObject by treating args[1] has a name
TackObject calledObject = TackObject.Get(args[1]);
// If there is no TackObject with name that is equal to args[1]
// - Treat args[1] as a hash and look for TackObject based on hash
if (calledObject == null)
{
calledObject = TackObject.GetUsingHash(args[1]);
}
// If there is no TackObject with name OR hash equal to args[1], return
if (calledObject == null)
{
TackConsole.EngineLog(EngineLogType.Error, "There is no TackObject that has name/hash with value: " + args[1]);
return;
}
TackConsole.EngineLog(EngineLogType.Message, "TackObject Info");
TackConsole.EngineLog(EngineLogType.Message, "--------------------------------------");
TackConsole.EngineLog(EngineLogType.Message, "Name: {0:-20}", calledObject.Name);
TackConsole.EngineLog(EngineLogType.Message, "Hash: {0:-20}", calledObject.GetHash());
TackConsole.EngineLog(EngineLogType.Message, "Position: {0:-20}", calledObject.Position.ToString());
TackConsole.EngineLog(EngineLogType.Message, "Scale: {0:-20}", calledObject.Scale.ToString());
TackConsole.EngineLog(EngineLogType.Message, "Rotation: {0:-20}", calledObject.Rotation);
TackConsole.EngineLog(EngineLogType.Message, "Components ({0}):", calledObject.GetComponents().Length);
TackComponent[] components = calledObject.GetComponents();
foreach (TackComponent comp in components)
{
TackConsole.EngineLog(EngineLogType.Message, " - {0}", comp.GetType().Name);
}
return;
}
TackConsole.EngineLog(EngineLogType.Error, "Incorrect number of arguments for command: " + args[0]);
}
public TackObject GetParent()
{
return(TackObject.GetByHash(m_parentObjectHash));
}
/// <summary>
/// Loops through all active TackObjects and renders all QuadRenderer components
/// </summary>
private void RenderQuadRendererComponents()
{
GL.Enable(EnableCap.Texture2D);
GL.Enable(EnableCap.Blend);
GL.BlendFunc(BlendingFactor.One, BlendingFactor.OneMinusSrcAlpha);
GL.EnableClientState(ArrayCap.ColorArray);
GL.EnableClientState(ArrayCap.VertexArray);
GL.EnableClientState(ArrayCap.IndexArray);
GL.EnableClientState(ArrayCap.TextureCoordArray);
// Tell OpenGL to use teh default object shader
//GL.UseProgram(GetShader("shaders.default_world_shader", TackShaderType.World).Id);
TackObject[] allObjects = TackObject.Get();
List <TackObject> allObjectsWithQRComp = new List <TackObject>(allObjects.Where(x => x.GetComponent <QuadRenderer>() != null));
List <TackObject> orderedComponents = new List <TackObject>(allObjectsWithQRComp.OrderBy(x => x.GetComponent <QuadRenderer>().RenderLayer));
foreach (TackObject currentTackObject in orderedComponents)
{
// Continue with the loop if currentTackObject does not contain a QuadRenderer component
if (currentTackObject.GetComponent <QuadRenderer>() == null)
{
continue;
}
/*
* // Continue if TackObject is currently inactive
* if (currentTackObject.)
*/
QuadRenderer quadRenderer = currentTackObject.GetComponent <QuadRenderer>();
RectangleShape tackObjectBounds = new RectangleShape()
{
X = ((currentTackObject.Position.X - TackEngine.MainCamera.GetParent().Position.X) - (currentTackObject.Scale.X / 2)) / (TackEngine.ScreenWidth / 2),
Y = ((currentTackObject.Position.Y - TackEngine.MainCamera.GetParent().Position.Y) + (currentTackObject.Scale.Y / 2)) / (TackEngine.ScreenHeight / 2),
Width = (currentTackObject.Scale.X) / (TackEngine.ScreenWidth / 2),
Height = (currentTackObject.Scale.Y) / (TackEngine.ScreenHeight / 2)
};
/*
* v4 ------ v1
* | |
* | |
* | |
* v3 ------ v2
*
*/
//mVertexData = new float[32]
//{
// Position (XYZ) Colours (RGB) TexCoords (XY)
/* v1 */ //(tackObjectBounds.X + tackObjectBounds.Width), (tackObjectBounds.Y), 1.0f, (quadRenderer.Colour.R / 255), (quadRenderer.Colour.G / 255), (quadRenderer.Colour.B / 255), 1.0f, 0.0f,
/* v2 */ //(tackObjectBounds.X + tackObjectBounds.Width), (tackObjectBounds.Y - tackObjectBounds.Height), 1.0f, (quadRenderer.Colour.R / 255), (quadRenderer.Colour.G / 255), (quadRenderer.Colour.B / 255), 1.0f, 1.0f,
/* v3 */ //(tackObjectBounds.X), (tackObjectBounds.Y - tackObjectBounds.Height), 1.0f, (quadRenderer.Colour.R / 255), (quadRenderer.Colour.G / 255), (quadRenderer.Colour.B / 255), 0.0f, 1.0f,
/* v4 */ //(tackObjectBounds.X), (tackObjectBounds.Y), 1.0f, (quadRenderer.Colour.R / 255), (quadRenderer.Colour.G / 255), (quadRenderer.Colour.B / 255), 0.0f, 0.0f
//};
mVertexData = new float[32]
{
// Position (XYZ) Colours (RGB) TexCoords (XY)
/* v1 */ FindScreenCoordsFromPosition(quadRenderer.FindVertexPoint(1)).X, FindScreenCoordsFromPosition(quadRenderer.FindVertexPoint(1)).Y, 1.0f, (quadRenderer.Colour.R / 255.0f), (quadRenderer.Colour.G / 255.0f), (quadRenderer.Colour.B / 255.0f), 1.0f, 0.0f,
/* v2 */ FindScreenCoordsFromPosition(quadRenderer.FindVertexPoint(2)).X, FindScreenCoordsFromPosition(quadRenderer.FindVertexPoint(2)).Y, 1.0f, (quadRenderer.Colour.R / 255.0f), (quadRenderer.Colour.G / 255.0f), (quadRenderer.Colour.B / 255.0f), 1.0f, 1.0f,
/* v3 */ FindScreenCoordsFromPosition(quadRenderer.FindVertexPoint(3)).X, FindScreenCoordsFromPosition(quadRenderer.FindVertexPoint(3)).Y, 1.0f, (quadRenderer.Colour.R / 255.0f), (quadRenderer.Colour.G / 255.0f), (quadRenderer.Colour.B / 255.0f), 0.0f, 1.0f,
/* v4 */ FindScreenCoordsFromPosition(quadRenderer.FindVertexPoint(4)).X, FindScreenCoordsFromPosition(quadRenderer.FindVertexPoint(4)).Y, 1.0f, (quadRenderer.Colour.R / 255.0f), (quadRenderer.Colour.G / 255.0f), (quadRenderer.Colour.B / 255.0f), 0.0f, 0.0f
};
int[] indices = new int[]
{
0, 1, 3, // first triangle
1, 2, 3 // second triangle
};
//Sprite sp = Sprite.LoadFromFile("Resources/background_image.png");
//sp.Create(false);
int VAO = GL.GenVertexArray();
int VBO = GL.GenBuffer();
int EBO = GL.GenBuffer();
GL.BindVertexArray(VAO);
GL.BindBuffer(BufferTarget.ArrayBuffer, VBO);
GL.BufferData(BufferTarget.ArrayBuffer, sizeof(float) * 32, mVertexData, BufferUsageHint.StaticDraw);
GL.BindBuffer(BufferTarget.ElementArrayBuffer, EBO);
GL.BufferData(BufferTarget.ElementArrayBuffer, sizeof(int) * 6, indices, BufferUsageHint.StaticDraw);
// position attribute
GL.VertexAttribPointer(0, 3, VertexAttribPointerType.Float, false, 8 * sizeof(float), 0);
GL.EnableVertexAttribArray(0);
// color attribute
GL.VertexAttribPointer(1, 3, VertexAttribPointerType.Float, false, 8 * sizeof(float), 3 * sizeof(float));
GL.EnableVertexAttribArray(1);
// texture coord attribute
GL.VertexAttribPointer(2, 2, VertexAttribPointerType.Float, false, 8 * sizeof(float), 6 * sizeof(float));
GL.EnableVertexAttribArray(2);
// Set texture attributes
GL.ActiveTexture(TextureUnit.Texture0);
if (quadRenderer.RenderMode == RendererMode.SpriteSheet)
{
GL.BindTexture(TextureTarget.Texture2D, quadRenderer.SpriteSheet.GetActiveSprite().Id);
}
else
{
GL.BindTexture(TextureTarget.Texture2D, quadRenderer.Sprite.Id);
}
//GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba, quadRenderer.Sprite.Width, quadRenderer.Sprite.Height, 0, PixelFormat.Bgra, PixelType.UnsignedByte, quadRenderer.Sprite.SpriteData.Scan0);
// set texture filtering parameters
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.Linear);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Linear);
// set the texture wrapping parameters
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapS, (int)TextureWrapMode.Repeat);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapT, (int)TextureWrapMode.Repeat);
GL.ActiveTexture(TextureUnit.Texture0);
if (quadRenderer.RenderMode == RendererMode.SpriteSheet)
{
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba, quadRenderer.SpriteSheet.SingleSpriteWidth, quadRenderer.SpriteSheet.SingleSpriteHeight, 0, PixelFormat.Bgra, PixelType.UnsignedByte, (IntPtr)0); // changed the end value from sprite.bitmpadata.scan0
}
else
{
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba, quadRenderer.Sprite.Width, quadRenderer.Sprite.Height, 0, PixelFormat.Bgra, PixelType.UnsignedByte, quadRenderer.Sprite.Data);
}
//GL.GenerateMipmap(GenerateMipmapTarget.Texture2D);
m_defaultWorldShader.Use();
m_defaultWorldShader.SetUniformValue("ourTexture", 0);
// Set the shader uniform value
//GL.Uniform1(GL.GetUniformLocation(GetShader("shaders.default_world_shader", TackShaderType.World).Id, "ourTexture"), 0);
GL.ActiveTexture(TextureUnit.Texture0);
if (quadRenderer.RenderMode == RendererMode.SpriteSheet)
{
GL.BindTexture(TextureTarget.Texture2D, quadRenderer.SpriteSheet.GetActiveSprite().Id);
}
else
{
GL.BindTexture(TextureTarget.Texture2D, quadRenderer.Sprite.Id);
}
GL.BindVertexArray(VAO);
GL.DrawElements(PrimitiveType.Triangles, 6, DrawElementsType.UnsignedInt, IntPtr.Zero);
//sp.Destory(false);
GL.DeleteBuffer(EBO);
GL.DeleteBuffer(VBO);
GL.DeleteVertexArray(VAO);
}
}
/// <summary>
/// Calculates the actual vertex point with position and rotation factored in
/// </summary>
/// <param name="_vertIndex">The index of the vertex of which to find the position of (1 - 4)</param>
/// <returns>The position, in Vector2f form, of the vertex</returns>
public Vector2f FindVertexPoint(int _vertIndex)
{
/*
* Multiplying matrix stuff
* Formulas from: https://math.stackexchange.com/questions/384186/calculate-new-positon-of-rectangle-corners-based-on-angle
*
* x = x0 + (x - x0) * cos(angle) + (y - y0) * sin(angle)
* y = y0 - (x - x0) * sin(angle) + (y - y0) * cos(angle)
*
* angle = angle of rotation in degrees
* x/y = the current point if the vertex
* x0/y0 = the centre point of the rectangle (the rotation point)
*
*/
TackObject parentObject = GetParent();
if (_vertIndex < 1 || _vertIndex > 4)
{
TackConsole.EngineLog(EngineLogType.Error, string.Format("Cannot calculate the position of the vertex with index : {0}. Index values must be within the range (1-4, inclusive)", _vertIndex));
return(new Vector2f());
}
RectangleShape objectShape = new RectangleShape()
{
X = ((parentObject.Position.X) - (parentObject.Scale.X / 2)),
Y = ((parentObject.Position.Y) + (parentObject.Scale.Y / 2)),
Width = (parentObject.Scale.X),
Height = (parentObject.Scale.Y)
};
if (_vertIndex == 1)
{
Vector2f vertPos = new Vector2f(objectShape.X + objectShape.Width, objectShape.Y);
float x = parentObject.Position.X + (vertPos.X - parentObject.Position.X)
* (float)System.Math.Cos(TackMath.DegToRad(parentObject.Rotation)) + (vertPos.Y - parentObject.Position.Y)
* (float)System.Math.Sin(TackMath.DegToRad(parentObject.Rotation));
float y = parentObject.Position.Y - (vertPos.X - parentObject.Position.X)
* (float)System.Math.Sin(TackMath.DegToRad(parentObject.Rotation)) + (vertPos.Y - parentObject.Position.Y)
* (float)System.Math.Cos(TackMath.DegToRad(parentObject.Rotation));
return(new Vector2f(x, y));
}
if (_vertIndex == 2)
{
Vector2f vertPos = new Vector2f(objectShape.X + objectShape.Width, objectShape.Y - objectShape.Height);
float x = parentObject.Position.X + (vertPos.X - parentObject.Position.X)
* (float)System.Math.Cos(TackMath.DegToRad(parentObject.Rotation)) + (vertPos.Y - parentObject.Position.Y)
* (float)System.Math.Sin(TackMath.DegToRad(parentObject.Rotation));
float y = parentObject.Position.Y - (vertPos.X - parentObject.Position.X)
* (float)System.Math.Sin(TackMath.DegToRad(parentObject.Rotation)) + (vertPos.Y - parentObject.Position.Y)
* (float)System.Math.Cos(TackMath.DegToRad(parentObject.Rotation));
return(new Vector2f(x, y));
}
if (_vertIndex == 3)
{
Vector2f vertPos = new Vector2f(objectShape.X, objectShape.Y - objectShape.Height);
float x = parentObject.Position.X + (vertPos.X - parentObject.Position.X)
* (float)System.Math.Cos(TackMath.DegToRad(parentObject.Rotation)) + (vertPos.Y - parentObject.Position.Y)
* (float)System.Math.Sin(TackMath.DegToRad(parentObject.Rotation));
float y = parentObject.Position.Y - (vertPos.X - parentObject.Position.X)
* (float)System.Math.Sin(TackMath.DegToRad(parentObject.Rotation)) + (vertPos.Y - parentObject.Position.Y)
* (float)System.Math.Cos(TackMath.DegToRad(parentObject.Rotation));
return(new Vector2f(x, y));
}
if (_vertIndex == 4)
{
Vector2f vertPos = new Vector2f(objectShape.X, objectShape.Y);
float x = GetParent().Position.X + (vertPos.X - GetParent().Position.X)
* (float)System.Math.Cos(TackMath.DegToRad(GetParent().Rotation)) + (vertPos.Y - GetParent().Position.Y)
* (float)System.Math.Sin(TackMath.DegToRad(GetParent().Rotation));
float y = GetParent().Position.Y - (vertPos.X - GetParent().Position.X)
* (float)System.Math.Sin(TackMath.DegToRad(GetParent().Rotation)) + (vertPos.Y - GetParent().Position.Y)
* (float)System.Math.Cos(TackMath.DegToRad(GetParent().Rotation));
return(new Vector2f(x, y));
}
return(new Vector2f(-1, -1));
}