public Axes(float size, float width = 3.0f)
{
m_Size = size;
m_Width = width;
// X Axis only
vertices = new float[]
{
// Position // Color
0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 1.0f,
m_Size, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 1.0f,
0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f,
0.0f, m_Size, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f,
0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 1.0f,
0.0f, 0.0f, m_Size, 0.0f, 0.0f, 1.0f, 1.0f
};
m_Vao = new VertexArray();
m_Vbo = new VertexBuffer(vertices, (uint)(vertices.Length * sizeof(float)));
VertexBufferLayout layout = new VertexBufferLayout();
layout.PushFloat(3, false);
layout.PushFloat(4, false);
m_Vao.AddBuffer(m_Vbo, layout);
m_Shader = Shader.GetShader(ShaderFiles.Axes);
m_Vao.Unbind();
m_Shader.Unbind();
m_Vbo.Unbind();
}
/// <summary>
/// Initiates the buffers needed to render with OpenGl
/// </summary>
public void InitOpenGlBuffers()
{
var openGlVertices = VertexToOpenGlVertex(m_Vertices);
var openGlVerticesFlat = VertexToOpenGlVertex(m_VerticesFlat);
m_Vao = new VertexArray();
m_Vbo = new VertexBuffer(openGlVertices.ToArray(), (uint)(openGlVertices.Count * Marshal.SizeOf(openGlVertices[0])));
VertexBufferLayout layout = new VertexBufferLayout();
layout.PushFloat(3, false);
layout.PushFloat(3, false);
layout.PushFloat(4, false);
m_Vao.AddBuffer(m_Vbo, layout);
m_Ibo = new IndexBuffer(m_OpenGlIndices.ToArray(), (uint)m_OpenGlIndices.Count);
MeshMaterial.MatShader.Bind();
MeshMaterial.MatShader.SetUniformMat4("u_Model", TransformationMatrix);
MeshMaterial.MatShader.SetUniformMat3("u_ModelNormalMatrix", NormalTransformMatrix);
m_Vao.Unbind();
m_Vbo.Unbind();
m_Ibo.Unbind();
m_VaoFlat = new VertexArray();
m_VboFlat = new VertexBuffer(openGlVerticesFlat.ToArray(),
(uint)(openGlVerticesFlat.Count * Marshal.SizeOf(openGlVerticesFlat[0])));
m_VaoFlat.AddBuffer(m_VboFlat, layout);
m_VaoFlat.Unbind();
m_VboFlat.Unbind();
}
public FrameBuffer()
{
RendererID = Gl.GenFramebuffer();
m_Vertices = new float[]
{
// positions // texCoords
0.5f, 1.0f, 0.0f, 1.0f,
0.5f, 0.5f, 0.0f, 0.0f,
1.0f, 0.5f, 1.0f, 0.0f,
0.5f, 1.0f, 0.0f, 1.0f,
1.0f, 0.5f, 1.0f, 0.0f,
1.0f, 1.0f, 1.0f, 1.0f
};
m_VAO = new VertexArray();
m_VBO = new VertexBuffer(m_Vertices, (uint)m_Vertices.Length * sizeof(float));
VertexBufferLayout layout = new VertexBufferLayout();
layout.PushFloat(2, false);
layout.PushFloat(2, false);
m_VAO.AddBuffer(m_VBO, layout);
m_VAO.Unbind();
}
private void InitOpenGlBuffers()
{
m_Vao = new VertexArray();
m_Vbo = new VertexBuffer(m_Vertices, (uint)m_Vertices.Length * sizeof(float));
VertexBufferLayout layout = new VertexBufferLayout();
layout.PushFloat(3, false);
m_Vao.AddBuffer(m_Vbo, layout);
m_Ibo = new IndexBuffer(m_Indices, (uint)m_Indices.Length);
m_Vao.Unbind();
m_Ibo.Unbind();
}
private void InitOpenGlBuffers()
{
m_Vao = new VertexArray();
m_Vbo = new VertexBuffer(m_Vertices.ToArray(),
(uint)(m_Vertices.Count * sizeof(float)));
VertexBufferLayout layout = new VertexBufferLayout();
layout.PushFloat(3, false);
m_Vao.AddBuffer(m_Vbo, layout);
m_Shader = Shader.GetShader(ShaderFiles.LinesConstant);
m_Vao.Unbind();
m_Vbo.Unbind();
}
public void AddBuffer(VertexBuffer vb, VertexBufferLayout layout)
{
Bind();
vb.Bind();
uint offset = 0;
for (int i = 0; i < layout.Elements.Count; i++)
{
VertexBufferElement element = layout.Elements[i];
Gl.VertexAttribPointer((uint)i, (int)element.Count, element.Type, element.IsNormalized,
(int)layout.Stride, new IntPtr(offset));
Gl.EnableVertexAttribArray((uint)i);
offset += element.Count * VertexBufferElement.GetSizeOfType(element.Type);
}
}
private void DrawSilhouette(Renderer renderer, Camera camera)
{
if (Settings.CurrentShading == ShadingOption.BoundingBox)
{
return;
}
List <float> vertices = new List <float>();
foreach (var hE in m_HalfEdges.Values)
{
Vertex startV = hE.Origin;
Vertex endV = hE.Next.Origin;
if (hE.Twin == null)
{
vertices.AddRange(startV.Position.to_array());
vertices.AddRange(endV.Position.to_array());
continue;
}
bool isF1BackFace = IsBackFace(camera, hE.LeftFace);
bool isF2BackFace = IsBackFace(camera, hE.Twin.LeftFace);
if (isF1BackFace && !isF2BackFace || !isF1BackFace && isF2BackFace)
{
vertices.AddRange(startV.Position.to_array());
vertices.AddRange(endV.Position.to_array());
}
}
if (m_VboSil != null)
{
m_VboSil.Destroy();
}
if (m_VaoSil != null)
{
m_VaoSil.Destroy();
}
m_VaoSil = new VertexArray();
m_VboSil = new VertexBuffer(vertices.ToArray(), (uint)(vertices.Count * sizeof(float)));
VertexBufferLayout layout = new VertexBufferLayout();
layout.PushFloat(3, false);
m_VaoSil.AddBuffer(m_VboSil, layout);
Shader shader = Shader.GetShader(ShaderFiles.LinesConstant);
shader.Bind();
shader.SetUniform4f("u_Color", Settings.ColorSelected.x, Settings.ColorSelected.y,
Settings.ColorSelected.z, Settings.ColorSelected.w);
shader.SetUniformMat4("u_Model", TransformationMatrix);
shader.SetUniformMat4("u_View", camera.ViewMatrix);
shader.SetUniformMat4("u_Projection", camera.ProjectionMatrix);
Scene.Instance.SetHiddenSurfaceRemoval(false);
renderer.DrawLines(m_VaoSil, vertices.Count, 3.0f, shader);
Scene.Instance.SetHiddenSurfaceRemoval(true);
}
public void InitOpenGlBuffers()
{
// Init Main Buffers
if (m_VaoMain != null)
{
m_VaoMain.Destroy();
}
m_VaoMain = new VertexArray();
if (m_VboMain != null)
{
m_VboMain.Destroy();
}
m_VboMain = new VertexBuffer(m_Vertices.ToArray(),
(uint)(m_Vertices.Count * sizeof(float)));
VertexBufferLayout layout = new VertexBufferLayout();
layout.PushFloat(3, false);
m_VaoMain.AddBuffer(m_VboMain, layout);
m_VaoMain.Unbind();
m_VboMain.Unbind();
// Init Arrow Buffers
if (m_VaoArrow != null)
{
m_VaoArrow.Destroy();
}
m_VaoArrow = new VertexArray();
if (m_VboArrow != null)
{
m_VboArrow.Destroy();
}
m_VboArrow = new VertexBuffer(m_ArrowVertices.ToArray(),
(uint)(m_ArrowVertices.Count * sizeof(float)));
layout = new VertexBufferLayout();
layout.PushFloat(3, false);
m_VaoArrow.AddBuffer(m_VboArrow, layout);
m_VaoArrow.Unbind();
m_VboArrow.Unbind();
// Init Selection Buffers
if (m_VaoSelection != null)
{
m_VaoSelection.Destroy();
}
m_VaoSelection = new VertexArray();
if (m_VboSelection != null)
{
m_VboSelection.Destroy();
}
m_VboSelection = new VertexBuffer(m_SelectionVertices.ToArray(),
(uint)(m_SelectionVertices.Count * sizeof(float)));
layout = new VertexBufferLayout();
layout.PushFloat(3, false);
m_VaoSelection.AddBuffer(m_VboSelection, layout);
m_IboSelection = new IndexBuffer(m_SelectionIndices.ToArray(), (uint)m_SelectionIndices.Count);
m_VaoArrow.Unbind();
m_VboArrow.Unbind();
m_IboSelection.Unbind();
}