public void LoadSphereData(int[] SphereArray, ModelUtility sphere, int[] mVertexArrayObjectIDs, int x, int location, int normlLocation)
{
#region load in vertices and indices
GL.GenBuffers(2, SphereArray);
GL.BindBuffer(BufferTarget.ArrayBuffer, SphereArray[0]);
GL.BufferData(BufferTarget.ArrayBuffer, (IntPtr)(sphere.Vertices.Length * sizeof(float)), sphere.Vertices, BufferUsageHint.StaticDraw);
int size;
GL.GetBufferParameter(BufferTarget.ArrayBuffer, BufferParameterName.BufferSize, out size);
if (sphere.Vertices.Length * sizeof(float) != size)
{
throw new ApplicationException("Vertex data not loaded onto graphics card correctly");
}
GL.BindBuffer(BufferTarget.ElementArrayBuffer, SphereArray[1]);
GL.BufferData(BufferTarget.ElementArrayBuffer, (IntPtr)(sphere.Indices.Length * sizeof(uint)), sphere.Indices, BufferUsageHint.StaticDraw);
GL.GetBufferParameter(BufferTarget.ElementArrayBuffer, BufferParameterName.BufferSize, out size);
if (sphere.Indices.Length * sizeof(uint) != size)
{
throw new ApplicationException("Index data not loaded onto graphics card correctly");
}
#endregion
BindSphereData(mVertexArrayObjectIDs, x, SphereArray, location, normlLocation);
}
private static ModelUtility LoadFromSJG(string pModelFile)
{
ModelUtility model = new ModelUtility();
StreamReader reader;
reader = new StreamReader(pModelFile);
string line = reader.ReadLine(); // vertex format
int numberOfVertices = 0;
int floatsPerVertex = 5;
if (!int.TryParse(reader.ReadLine(), out numberOfVertices))
{
throw new Exception("Error when reading number of vertices in model file " + pModelFile);
}
model.Vertices = new float[numberOfVertices * floatsPerVertex];
string[] values;
for (int i = 0; i < model.Vertices.Length;)
{
line = reader.ReadLine();
values = line.Split(',');
foreach (string s in values)
{
if (!float.TryParse(s, out model.Vertices[i]))
{
throw new Exception("Error when reading vertices in model file " + pModelFile + " " + s + " is not a valid number");
}
++i;
}
}
reader.ReadLine();
int numberOfTriangles = 0;
line = reader.ReadLine();
if (!int.TryParse(line, out numberOfTriangles))
{
throw new Exception("Error when reading number of triangles in model file " + pModelFile);
}
model.Indices = new int[numberOfTriangles * 3];
for (int i = 0; i < numberOfTriangles * 3;)
{
line = reader.ReadLine();
values = line.Split(',');
foreach (string s in values)
{
if (!int.TryParse(s, out model.Indices[i]))
{
throw new Exception("Error when reading indices in model file " + pModelFile + " " + s + " is not a valid index");
}
++i;
}
}
reader.Close();
return(model);
}
private static ModelUtility LoadFromBIN(string pModelFile)
{
ModelUtility model = new ModelUtility();
BinaryReader reader = new BinaryReader(new FileStream(pModelFile, FileMode.Open));
int numberOfVertices = reader.ReadInt32();
int floatsPerVertex = 6;
model.Vertices = new float[numberOfVertices * floatsPerVertex];
byte[] byteArray = new byte[model.Vertices.Length * sizeof(float)];
byteArray = reader.ReadBytes(byteArray.Length);
Buffer.BlockCopy(byteArray, 0, model.Vertices, 0, byteArray.Length);
int numberOfTriangles = reader.ReadInt32();
model.Indices = new int[numberOfTriangles * 3];
byteArray = new byte[model.Indices.Length * sizeof(int)];
byteArray = reader.ReadBytes(model.Indices.Length * sizeof(int));
Buffer.BlockCopy(byteArray, 0, model.Indices, 0, byteArray.Length);
reader.Close();
return(model);
}
protected override void OnLoad(EventArgs e)
{
base.OnLoad(e);
GL.ClearColor(Color4.CornflowerBlue);
GL.Enable(EnableCap.CullFace);
GL.Enable(EnableCap.DepthTest);
mSphere = ModelUtility.LoadModel(@"Models/sphere.bin");
mCylinder = ModelUtility.LoadModel(@"Models/cylinder.bin");
MBox = ModelUtility.LoadModel(@"Models/TexturedCube.sjg");
sphere = new Sphere(); box = new Box(MBox); cylinder = new Cylinder();
int textureOne = box.LoadBoxTexture(@"Textures/texture2.jpg", TextureUnit.Texture0);
boxShader = new ShaderUtility(@"Shaders/BoxVertexShader.vert", @"Shaders/BoxFragmentShader.frag");
modelShader = new ShaderUtility(@"Shaders/vertexShader.vert", @"Shaders/fragmentShader.frag");
GL.UseProgram(boxShader.ShaderProgramID);
#region location variables for the box shader
int uView = GL.GetUniformLocation(boxShader.ShaderProgramID, "uView");
int boxPositionLocation = GL.GetAttribLocation(boxShader.ShaderProgramID, "boxVertexPosition");
int uProjectionLocation = GL.GetAttribLocation(boxShader.ShaderProgramID, "uProjection");
int uTextureSamplerLocation = GL.GetUniformLocation(boxShader.ShaderProgramID, "baseMap");
int pixelSixeLocation = GL.GetUniformLocation(boxShader.ShaderProgramID, "pixelSize");
int vTexCoordsLocation = GL.GetAttribLocation(boxShader.ShaderProgramID, "vTexCoords");
int uLightDirectionLocation = GL.GetUniformLocation(boxShader.ShaderProgramID, "uLightDirection");
int vNormalVlocation = GL.GetAttribLocation(boxShader.ShaderProgramID, "vNormal");
int glowLocation = GL.GetUniformLocation(boxShader.ShaderProgramID, "glowColour");
#endregion
Vector3 normalisedLightDirection, lightDirection = new Vector3(1, 1, 1);
Vector3.Normalize(ref lightDirection, out normalisedLightDirection);
mView = Matrix4.CreateTranslation(0, 0, -2);
uProjection = Matrix4.CreatePerspectiveFieldOfView(1, (float)ClientRectangle.Width / ClientRectangle.Height, 0.5f, 5);
#region linking variables for the box shader
Vector4 glowColour = new Vector4(0, 2.0f, 0, 1.0f);
GL.Uniform1(pixelSixeLocation, pixelSixe);
GL.Uniform4(glowLocation, glowColour);
GL.Uniform3(uLightDirectionLocation, normalisedLightDirection);
GL.UniformMatrix4(uProjectionLocation, true, ref uProjection);
GL.UniformMatrix4(uView, true, ref mView);
GL.Uniform1(uTextureSamplerLocation, 0);
#endregion
box.LoadBoxData(BoxArray, mVertexArrayObjectIDs, boxNumber, boxPositionLocation, vTexCoordsLocation);
// cylinder.LoadCylinderData(CylinderArray,mCylinder ,mVertexArrayObjectIDs, cylinderNumber, positionLocation, normalLocation);
// sphere.LoadSphereData(SphereArray, mVertexArrayObjectIDs,mSphere ,sphereNumber, positionLocation, normalLocation );
}
public Box(ModelUtility inbox)
{
box = inbox;
}
