public void BuildMesh()
{
List <Vector3> points = GenerateLineFromLSystem(m_currentLSystem, new Vector3(0.0f, 0.0f, 0.0f), m_angleValue, m_initialAngle);
if (points.Count > 0)
{
m_renderer.material_ = new MaterialDX11("vDefault.cso", "pLsystem.cso", "gDefaultLine.cso");
m_renderer.material_.SetMainColor(0.0f, 1.0f, 0.0f, 1.0f);
m_renderer.material_.AddConstantBuffer <float>(1.0f);
List <StandardVertex> linemesh = new List <StandardVertex>();
for (int i = 0; i < points.Count; i++)
{
StandardVertex va = new StandardVertex(points[i]);
va.Uv = new Vector2(( float )i / ( float )points.Count, 0.0f);
linemesh.Add(va);
}
m_renderer.Vertices = linemesh;
m_renderer.UpdateRenderer();
}
}
protected override void OnEnabledInSimulation()
{
//create a mesh
mesh = CreateComponent <Component_Mesh>(enabled: false);
mesh.Name = "Mesh 1";
//generate vertices. use StandardVertex to make it easier
StandardVertex.StaticOneTexCoord[] vertices = new StandardVertex.StaticOneTexCoord[4];
var v = new StandardVertex.StaticOneTexCoord();
v.Position = new Vector3F(-0.4f, -0.4f, 0f);
v.Normal = new Vector3F(0, 0, 1);
v.Tangent = new Vector4F(1, 0, 0, 0);
v.Color = new ColorValue(1, 1, 1);
//v.TexCoord0 = new Vector2F(-1, -1);
vertices[0] = v;
v.Position = new Vector3F(0.4f, -0.4f, 0);
vertices[1] = v;
v.Position = new Vector3F(0.4f, 0.4f, 0);
vertices[2] = v;
v.Position = new Vector3F(-0.4f, 0.4f, 0);
vertices[3] = v;
//generate indices
var indices = new int[] { 0, 1, 2, 2, 3, 0 };
//create geometry of the mesh
geometry = mesh.CreateComponent <Component_MeshGeometry>();
geometry.VertexStructure = StandardVertex.MakeStructure(StandardVertex.Components.StaticOneTexCoord, true, out int vertexSize);
geometry.Vertices = ConvertVertices(vertices);
geometry.Indices = indices;
//mesh has been created, now we can enable it
mesh.Enabled = true;
meshInSpace = CreateComponent <Component_MeshInSpace>(enabled: false);
meshInSpace.Transform = new Transform(new Vector3(1, 1, 1));
//make reference to the mesh. 'Root' reference - global path from scene root.
meshInSpace.Mesh = ReferenceUtility.MakeRootReference(mesh);
meshInSpace.Color = new ColorValue(1, 0, 0);
meshInSpace.Enabled = true;
}
/////////////////////////////////////////
void DrawUV(Viewport viewport)
{
var meshData = GetSelectedLOD();
if (Mesh.EditorDisplayUV >= 0 && Mesh.EditorDisplayUV < 4)
{
StandardVertex.Components component = StandardVertex.Components.TexCoord0;
if (Mesh.EditorDisplayUV == 0)
{
component = StandardVertex.Components.TexCoord0;
}
else if (Mesh.EditorDisplayUV == 1)
{
component = StandardVertex.Components.TexCoord1;
}
else if (Mesh.EditorDisplayUV == 2)
{
component = StandardVertex.Components.TexCoord2;
}
else if (Mesh.EditorDisplayUV == 3)
{
component = StandardVertex.Components.TexCoord3;
}
if ((meshData.ExtractedVerticesComponents & component) != 0)
{
var uvArray = (Vector2F[])StandardVertex.ExtractOneComponentArray(meshData.ExtractedVertices, component);
//bool valid = Array.Exists( uvArray, item => item != Vec2F.Zero );
//if( valid )
//{
//check old cache
if (cachedDisplayUV_Triangles != null)
{
if (cachedDisplayUV != Mesh.EditorDisplayUV || cachedDisplayUV_MeshData != meshData)
{
cachedDisplayUV_Triangles = null;
cachedDisplayUV_Lines = null;
}
}
Vector2F screenMultiplier = new Vector2F(viewport.CanvasRenderer.AspectRatioInv * .8f, 0.8f);
Vector2F screenOffset = new Vector2F(1.0f - screenMultiplier.X - 0.01f, 1.0f - screenMultiplier.Y - 0.01f);
Vector2F Convert(Vector2F v)
{
return(v * screenMultiplier + screenOffset);
};
//update
if (cachedDisplayUV_Triangles == null)
{
cachedDisplayUV = Mesh.EditorDisplayUV;
cachedDisplayUV_MeshData = meshData;
var indices = meshData.ExtractedIndices;
//!!!!показывать те, которые за границами 0-1.
var uvArrayConverted = new Vector2F[uvArray.Length];
for (int n = 0; n < uvArrayConverted.Length; n++)
{
uvArrayConverted[n] = Convert(uvArray[n]);
}
var trianglesColor = new ColorValue(0, 1, 0, 0.5);
var linesColor = new ColorValue(1, 1, 1);
//triangles
{
var triangles = new List <CanvasRenderer.TriangleVertex>(indices.Length / 3);
for (int triangle = 0; triangle < indices.Length / 3; triangle++)
{
int index0 = indices[triangle * 3 + 0];
int index1 = indices[triangle * 3 + 1];
int index2 = indices[triangle * 3 + 2];
Vector2F v0 = uvArrayConverted[index0];
Vector2F v1 = uvArrayConverted[index1];
Vector2F v2 = uvArrayConverted[index2];
triangles.Add(new CanvasRenderer.TriangleVertex(v0, trianglesColor));
triangles.Add(new CanvasRenderer.TriangleVertex(v1, trianglesColor));
triangles.Add(new CanvasRenderer.TriangleVertex(v2, trianglesColor));
}
cachedDisplayUV_Triangles = triangles.ToArray();
}
//lines
{
int[] lineIndices = MathAlgorithms.TriangleListToLineList(indices);
var lines = new List <CanvasRenderer.LineItem>(lineIndices.Length / 2);
for (int nLine = 0; nLine < lineIndices.Length / 2; nLine++)
{
var v0 = uvArrayConverted[lineIndices[nLine * 2 + 0]];
var v1 = uvArrayConverted[lineIndices[nLine * 2 + 1]];
lines.Add(new CanvasRenderer.LineItem(v0, v1, linesColor));
}
var vertices = new CanvasRenderer.TriangleVertex[lines.Count * 2];
for (int n = 0; n < lines.Count; n++)
{
var line = lines[n];
vertices[n * 2 + 0] = new CanvasRenderer.TriangleVertex(line.start, line.color, Vector2F.Zero);
vertices[n * 2 + 1] = new CanvasRenderer.TriangleVertex(line.end, line.color, Vector2F.Zero);
}
cachedDisplayUV_Lines = vertices;
}
}
//draw
if (cachedDisplayUV_Triangles != null)
{
viewport.CanvasRenderer.AddQuad(new RectangleF(Convert(Vector2F.Zero), Convert(Vector2F.One)), new ColorValue(0, 0, 0, .5));
viewport.CanvasRenderer.AddTriangles(cachedDisplayUV_Triangles);
viewport.CanvasRenderer.AddLines(cachedDisplayUV_Lines);
}
}
}
}
/// <summary>
/// Loads all resources of the object.
/// </summary>
/// <param name="device">Current graphics device.</param>
/// <param name="resourceDictionary">Current resource dicionary.</param>
public override void LoadResources(EngineDevice device, ResourceDictionary resourceDictionary)
{
// Define all vertices
StandardVertex[] vertices = new StandardVertex[]
{
// Front side
new StandardVertex(new Vector3(-1f, +1f, -1f), new Vector2(0f, 0f)),
new StandardVertex(new Vector3(-1f, -1f, -1f), new Vector2(0f, 1f)),
new StandardVertex(new Vector3(+1f, -1f, -1f), new Vector2(1f, 1f)),
new StandardVertex(new Vector3(+1f, +1f, -1f), new Vector2(1f, 0f)),
// Right side
new StandardVertex(new Vector3(+1f, +1f, -1f), new Vector2(0f, 0f)),
new StandardVertex(new Vector3(+1f, -1f, -1f), new Vector2(0f, 1f)),
new StandardVertex(new Vector3(+1f, -1f, +1f), new Vector2(1f, 1f)),
new StandardVertex(new Vector3(+1f, +1f, +1f), new Vector2(1f, 0f)),
// Back side
new StandardVertex(new Vector3(+1f, +1f, +1f), new Vector2(0f, 0f)),
new StandardVertex(new Vector3(+1f, -1f, +1f), new Vector2(0f, 1f)),
new StandardVertex(new Vector3(-1f, -1f, +1f), new Vector2(1f, 1f)),
new StandardVertex(new Vector3(-1f, +1f, +1f), new Vector2(1f, 0f)),
// Left side
new StandardVertex(new Vector3(-1f, +1f, +1f), new Vector2(0f, 0f)),
new StandardVertex(new Vector3(-1f, -1f, +1f), new Vector2(0f, 1f)),
new StandardVertex(new Vector3(-1f, -1f, -1f), new Vector2(1f, 1f)),
new StandardVertex(new Vector3(-1f, +1f, -1f), new Vector2(1f, 0f)),
// Top side
new StandardVertex(new Vector3(-1f, +1f, +1f), new Vector2(0f, 0f)),
new StandardVertex(new Vector3(-1f, +1f, -1f), new Vector2(0f, 1f)),
new StandardVertex(new Vector3(+1f, +1f, -1f), new Vector2(1f, 1f)),
new StandardVertex(new Vector3(+1f, +1f, +1f), new Vector2(1f, 0f)),
// Down side
new StandardVertex(new Vector3(+1f, -1f, -1f), new Vector2(0f, 0f)),
new StandardVertex(new Vector3(-1f, -1f, -1f), new Vector2(1f, 0f)),
new StandardVertex(new Vector3(-1f, -1f, +1f), new Vector2(1f, 1f)),
new StandardVertex(new Vector3(+1f, -1f, +1f), new Vector2(0f, 1f)),
};
// Define all indices
int[] indices = new int[]
{
0, 1, 2, 2, 3, 0, // Font side
4, 5, 6, 6, 7, 4, // Right side
8, 9, 10, 10, 11, 8, // Back side
12, 13, 14, 14, 15, 12, // Left side
16, 17, 18, 18, 19, 16, // Top side
20, 21, 22, 22, 23, 20 // Down side
};
// Create and fill resource container object
SkyboxLocalResources localResources = new SkyboxLocalResources();
localResources.DefaultResources = resourceDictionary.DefaultResources;
localResources.CubeTexture = resourceDictionary.GetResourceAndEnsureLoaded <TextureResource>(m_cubeTextureKey);
localResources.VertexBuffer = GraphicsHelper.CreateImmutableVertexBuffer(device, vertices);
localResources.IndexBuffer = GraphicsHelper.CreateImmutableIndexBuffer(device, indices);
localResources.VertexShader = resourceDictionary.GetResourceAndEnsureLoaded(
ResourceKeys.RES_VERTEX_SHADER_SKYBOX,
() => GraphicsHelper.GetVertexShaderResource(device, "Skybox", "CommonVertexShader"));
localResources.PixelShader = resourceDictionary.GetResourceAndEnsureLoaded(
ResourceKeys.RES_PIXEL_SHADER_SKYBOX,
() => GraphicsHelper.GetPixelShaderResource(device, "Skybox", "CommonPixelShader"));
// Store resource container object
m_localResources.AddObject(localResources, device.DeviceIndex);
}
/// <summary>
/// Builds vertex and index buffers.
/// </summary>
/// <param name="device">The device on which to build all buffers.</param>
/// <param name="geometries">All geometries to be loaded.</param>
private static RenderingChunkTemplate[] BuildBuffers(EngineDevice device, Geometry[] geometries)
{
var resultTemplates = new List <RenderingChunkTemplate>(geometries.Length * 2);
var cachedVertices = new List <StandardVertex[]>(2);
var cachedIndices = new List <int[]>(6);
var geometriesCount = geometries.Length;
var actVertexCount = 0;
var actIndexCount = 0;
var lastFinishedVertexBufferResultIndex = -1;
var lastFinishedIndexBufferResultIndex = -1;
var vertexBufferId = 0;
var indexBufferId = 0;
// Define the action which finishes current index buffer
void FinishIndexBuffer()
{
if (actIndexCount == 0)
{
return;
}
// Create the vertex buffer
var indexBuffer = GraphicsHelper.Internals.CreateImmutableIndexBuffer(device, cachedIndices.ToArray());
cachedIndices.Clear();
actIndexCount = 0;
indexBufferId++;
// Do also create index buffer
for (var loop = lastFinishedIndexBufferResultIndex + 1; loop < resultTemplates.Count; loop++)
{
resultTemplates[loop].IndexBuffer = indexBuffer;
}
lastFinishedIndexBufferResultIndex = resultTemplates.Count - 1;
}
// Define the action which finishes current vertex buffer
void FinishVertexBuffer()
{
// Create the vertex buffer
var vertexBuffer = GraphicsHelper.Internals.CreateImmutableVertexBuffer(device, cachedVertices.ToArray());
cachedVertices.Clear();
actVertexCount = 0;
vertexBufferId++;
// Do also finish index buffers in this case
FinishIndexBuffer();
// Do also create index buffer
for (var loop = lastFinishedVertexBufferResultIndex + 1; loop < resultTemplates.Count; loop++)
{
resultTemplates[loop].VertexBuffer = vertexBuffer;
}
lastFinishedVertexBufferResultIndex = resultTemplates.Count - 1;
}
// Load all geometries into memory within a loop
for (var loopGeometry = 0; loopGeometry < geometriesCount; loopGeometry++)
{
var actGeometry = geometries[loopGeometry];
if (actGeometry.CountVertices == 0)
{
continue;
}
if (actGeometry.CountSurfaces == 0)
{
continue;
}
// Handle vertex data
var vertexArray = StandardVertex.FromGeometry(actGeometry);
if (actVertexCount + vertexArray.Length > MAX_VERTEX_COUNT_PER_BUFFER)
{
FinishVertexBuffer();
}
cachedVertices.Add(vertexArray);
var actBaseVertex = actVertexCount;
actVertexCount += vertexArray.Length;
// Generate one RenderingChunkTemplate per surface
var surfaceList = new List <GeometrySurface>(actGeometry.Surfaces);
var surfaceCount = surfaceList.Count;
for (var loopSurface = 0; loopSurface < surfaceCount; loopSurface++)
{
var actSurface = surfaceList[loopSurface];
if (actSurface.CountTriangles == 0)
{
continue;
}
// Handle index data
var indexArray = actSurface.GetIndexArray();
if (actBaseVertex > 0)
{
for (var loopIndex = 0; loopIndex < indexArray.Length; loopIndex++)
{
indexArray[loopIndex] = indexArray[loopIndex] + actBaseVertex;
}
}
if (actIndexCount + indexArray.Length > MAX_INDEX_COUNT_PER_BUFFER)
{
FinishIndexBuffer();
}
cachedIndices.Add(indexArray);
actIndexCount += indexArray.Length;
// Create the rendering chunk
var newChunkTemplate = new RenderingChunkTemplate
{
VertexBufferId = vertexBufferId,
IndexBufferId = indexBufferId,
SizePerVertex = StandardVertex.Size,
Geometry = actGeometry,
IndexCount = indexArray.Length,
StartIndex = actIndexCount - indexArray.Length,
VertexBuffer = null,
IndexBuffer = null,
InputElements = StandardVertex.InputElements
};
resultTemplates.Add(newChunkTemplate);
}
}
// Finish all remaining buffers finally
if (cachedVertices.Count > 0)
{
FinishVertexBuffer();
}
if (cachedIndices.Count > 0)
{
FinishIndexBuffer();
}
return(resultTemplates.ToArray());
}