private void SampleGraphicsControl_Render(object sender, GraphicsControlEventArgs e)
{
GraphicsContext ctx = e.Context;
GraphicsSurface framebuffer = e.Framebuffer;
if (_AnimationBegin == DateTime.MinValue)
{
_AnimationBegin = DateTime.UtcNow;
}
PerspectiveProjectionMatrix matrixProjection = new PerspectiveProjectionMatrix();
Matrix4x4 matrixView;
// Set projection
matrixProjection.SetPerspective(60.0f, (float)ClientSize.Width / (float)ClientSize.Height, 1.0f, 1000.0f);
// Set view
ModelMatrix matrixViewModel = new ModelMatrix();
matrixViewModel.RotateX(_ViewElevation);
matrixViewModel.RotateY(_ViewAzimuth);
matrixViewModel.Translate(0.0f, 0.0f, _ViewDistance);
matrixView = matrixViewModel.GetInverseMatrix();
_NewtonProgram.Bind(ctx);
_NewtonProgram.SetUniform(ctx, "hal_ModelViewProjection", matrixProjection * matrixView);
_NewtonProgram.SetUniform(ctx, "hal_FrameTimeInterval", (float)(DateTime.UtcNow - _AnimationBegin).TotalSeconds);
_NewtonVertexArray.Draw(ctx, _NewtonProgram);
SwapNewtonVertexArrays();
// Issue another rendering
SampleGraphicsControl.Invalidate();
}
private void RenderControl_Render_GLSL(object sender, GlControlEventArgs e)
{
Control control = (Control)sender;
PerspectiveProjectionMatrix projectionMatrix = new PerspectiveProjectionMatrix(45.0f, (float)control.Width / (float)control.Height, 0.1f, 100.0f);
ModelMatrix viewMatrix = new ModelMatrix();
ModelMatrix modelMatrix = new ModelMatrix();
modelMatrix.Translate(new Vertex3f(modelPosition.X, modelPosition.Y, modelPosition.Z));
modelMatrix.Scale(new Vertex3f(0.2f, 0.2f, 0.2f));
Gl.Viewport(0, 0, control.Width, control.Height);
Gl.ClearColor(0.05f, 0.05f, 0.05f, 1.0f);
Gl.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
modelShader.Use();
modelMatrix.RotateX(modelAngle.X);
modelMatrix.RotateY(modelAngle.Y);
modelMatrix.RotateZ(modelAngle.Z);
//viewMatrix.Translate(new Vertex3f(-2.0f * (float)Math.Sin(modelAngle.Y * PI_OVER_180), 0.0f, -2.0f*(float)Math.Cos(modelAngle.Y*PI_OVER_180)));
Gl.UniformMatrix4(modelShader.uLocation_Projection, 1, false, projectionMatrix.ToArray());
Gl.UniformMatrix4(modelShader.uLocation_View, 1, false, viewMatrix.ToArray());
Gl.UniformMatrix4(modelShader.uLocation_Model, 1, false, modelMatrix.ToArray());
modelNanosuit.Draw(modelShader);
}
/// <summary>
/// Draw a character sequence.
/// </summary>
/// <param name="ctx">
/// The <see cref="GraphicsContext"/> used for drawing.
/// </param>
/// <param name="modelview">
/// The <see cref="Matrix4x4"/> the model-view-projection matrix for the first character of <paramref name="s"/>.
/// </param>
/// <param name="color">
/// The <see cref="ColorRGBAF"/> that specifies the glyph color.
/// </param>
/// <param name="s">
/// A <see cref="String"/> that specifies the characters for be drawn.
/// </param>
public override void DrawString(GraphicsContext ctx, Matrix4x4 modelview, ColorRGBAF color, string s)
{
ModelMatrix charModel = new ModelMatrix(modelview);
ctx.Bind(_FontProgram);
_FontProgram.SetUniform(ctx, "glo_UniformColor", color);
foreach (char c in s)
{
Glyph glyph;
if (_Glyphs.TryGetValue(c, out glyph) == false)
{
continue;
}
if (glyph.ElementIndex >= 0)
{
// Set model-view
_FontProgram.SetUniform(ctx, "glo_ModelViewProjection", charModel);
// Rasterize it
_VertexArrays.Draw(ctx, _FontProgram, glyph.ElementIndex);
}
// Move next
charModel.Translate(glyph.GlyphSize.Width, 0.0f);
}
}
/// <summary>
/// Draw a character sequence.
/// </summary>
/// <param name="ctx">
/// The <see cref="GraphicsContext"/> used for drawing.
/// </param>
/// <param name="modelview">
/// The <see cref="Matrix4x4"/> the model-view-projection matrix for the first character of <paramref name="s"/>.
/// </param>
/// <param name="color">
/// The <see cref="ColorRGBAF"/> that specifies the glyph color.
/// </param>
/// <param name="s">
/// A <see cref="String"/> that specifies the characters for be drawn.
/// </param>
public override void DrawString(GraphicsContext ctx, Matrix4x4 modelview, ColorRGBAF color, string s)
{
ModelMatrix charModel = new ModelMatrix(modelview);
ctx.Bind(_FontProgram);
// Set uniforms
_FontProgram.SetUniform(ctx, "glo_UniformColor", color);
_FontProgram.SetUniform(ctx, "glo_FontGlyph", _FontTexture);
// Set instances
char[] fontChars = s.ToCharArray();
uint instances = 0;
_GlyphInstances.Map(ctx, BufferAccessARB.WriteOnly);
try {
for (int i = 0; i < fontChars.Length; i++)
{
Glyph glyph;
if (_GlyphDb.TryGetValue(fontChars[i], out glyph) == false)
{
continue;
}
// Set instance information
Matrix4x4f modelViewProjection = new Matrix4x4f(
new Vertex4f(charModel.GetColumn(0)),
new Vertex4f(charModel.GetColumn(1)),
new Vertex4f(charModel.GetColumn(2)),
new Vertex4f(charModel.GetColumn(3))
);
Vertex3f glyphVertexParams = new Vertex3f(
glyph.GlyphSize.Width, glyph.GlyphSize.Height,
glyph.Layer
);
Vertex2f glyphTexParams = new Vertex2f(
glyph.TexScale.Width, glyph.TexScale.Height
);
_GlyphInstances.SetElement(modelViewProjection, instances, 0);
_GlyphInstances.SetElement(glyphVertexParams, instances, 1);
_GlyphInstances.SetElement(glyphTexParams, instances, 2);
// Count the instance
instances++;
// Move next
charModel.Translate(glyph.GlyphSize.Width, 0.0f);
}
} finally {
_GlyphInstances.Unmap(ctx);
}
// Rasterize it
using (State.BlendState stateBlend = State.BlendState.AlphaBlending) {
stateBlend.ApplyState(ctx, _FontProgram);
_VertexArrays.DrawInstanced(ctx, _FontProgram, instances);
}
}
private IMatrix4x4 CreateViewMatrix(Camera camera)
{
Matrix <double> objectToWorldTransform = camera.GetObjectToWorldTransform();
IModelMatrix modelMat = new ModelMatrixDouble(objectToWorldTransform.AsColumnMajorArray() ?? objectToWorldTransform.ToColumnMajorArray());
Vector <double> worldPosition = objectToWorldTransform.Multiply(Vector <double> .Build.Dense(new double[] { 0, 0, 0, 1 }));
IModelMatrix viewMat = new ModelMatrix();
viewMat.Rotate(modelMat.Rotation);
viewMat.Translate(-worldPosition[0], -worldPosition[1], -worldPosition[2]);
return(viewMat);
}
public void MatrixMul2()
{
ProjectionMatrix proj = new OrthoProjectionMatrix(-1.0f, 0.5f, 0.0f, 1.0f, 0.1f, 3.0f);
ModelMatrix model = new ModelMatrix();
model.Translate(2.0f, -4.0f, 1.125f);
model.RotateX(30.0f);
Matrix r1 = proj * model;
Matrix m = new Matrix(proj.ToArray(), 4, 4), n = new Matrix(model.ToArray(), 4, 4);
Matrix r2 = m * n;
}
/// <summary>
/// Draw a character sequence.
/// </summary>
/// <param name="ctx">
/// The <see cref="GraphicsContext"/> used for drawing.
/// </param>
/// <param name="modelview">
/// The <see cref="Matrix4x4"/> the model-view-projection matrix for the first character of <paramref name="s"/>.
/// </param>
/// <param name="color">
/// The <see cref="ColorRGBAF"/> that specifies the glyph color.
/// </param>
/// <param name="s">
/// A <see cref="String"/> that specifies the characters for be drawn.
/// </param>
public override void DrawString(GraphicsContext ctx, Matrix4x4 modelview, ColorRGBAF color, string s)
{
// Draw the string
DrawStringCore(ctx, modelview, color, s);
// Shadow effect
if (_FxShadow != null)
{
ModelMatrix shadowModel = new ModelMatrix(modelview);
shadowModel.Translate(_FxShadow.Offset);
DrawStringCore(ctx, shadowModel, _FxShadow.Color, s);
}
}
private void RenderControl_Render_ES(object sender, GlControlEventArgs e)
{
Control control = (Control)sender;
PerspectiveProjectionMatrix projectionMatrix = new PerspectiveProjectionMatrix(45.0f, (float)control.Width / (float)control.Height, 0.1f, 100.0f);
ModelMatrix viewMatrix = new ModelMatrix();
ModelMatrix modelMatrix = new ModelMatrix();
// Move camera
viewMatrix.Translate(new Vertex3f(0.0f, 0.0f, -2.0f));
// Animate triangle
/*modelMatrix.LookAtDirection(
* new Vertex3f(0.0f, 0.0f, 0.0f),
* new Vertex3f(
* (float)Math.Sin(angle_rad),
* 0.0f,
* (float)Math.Cos(angle_rad)
* ),
* new Vertex3f(0.0f, 1.0f, 0.0f)
* );*/
//Quaternion Q = new Quaternion(new Vertex3f(0.0f, 1.0f, 0.0f), angle);
modelMatrix.RotateZ(angle);
modelMatrix.RotateY(angle);
//modelMatrix.Translate(Math.Cos(theta), Math.Sin(theta));
//modelMatrix.RotateY(theta);
Gl.UseProgram(Program_Shader);
Gl.Viewport(0, 0, control.Width, control.Height);
Gl.Enable(EnableCap.DepthTest);
Gl.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
using (MemoryLock arrayPosition = new MemoryLock(_ArrayPosition))
using (MemoryLock arrayColor = new MemoryLock(_ArrayColor))
{
Gl.VertexAttribPointer((uint)Program_Location_aPosition, 3, Gl.FLOAT, false, 0, arrayPosition.Address);
Gl.EnableVertexAttribArray((uint)Program_Location_aPosition);
Gl.VertexAttribPointer((uint)Program_Location_aColor, 3, Gl.FLOAT, false, 0, arrayColor.Address);
Gl.EnableVertexAttribArray((uint)Program_Location_aColor);
Gl.UniformMatrix4(Program_Location_uProjection, 1, false, projectionMatrix.ToArray());
Gl.UniformMatrix4(Program_Location_uView, 1, false, viewMatrix.ToArray());
Gl.UniformMatrix4(Program_Location_uModel, 1, false, modelMatrix.ToArray());
Gl.DrawArrays(PrimitiveType.Triangles, 0, 36);
}
}
static Matrix4x4Test()
{
Random random = new Random();
_MatArray = new Matrix4x4[MulArraySize];
for (int i = 0; i < _MatArray.Length; i++)
{
ModelMatrix modelMatrix = new ModelMatrix();
modelMatrix.RotateX(random.NextDouble() * 360.0);
modelMatrix.RotateY(random.NextDouble() * 360.0);
modelMatrix.RotateZ(random.NextDouble() * 360.0);
modelMatrix.Translate(random.NextDouble(), random.NextDouble(), random.NextDouble());
_MatArray[i] = modelMatrix;
}
}
/// <summary>
/// Get a list of <see cref="GlyphModelType"/> for a specific string and model-view-projection matrix.
/// </summary>
/// <param name="modelview"></param>
/// <param name="s"></param>
/// <returns></returns>
private List <GlyphModelType> GetGlyphsInstances(Matrix4x4 modelview, string s)
{
ModelMatrix charModel = new ModelMatrix(modelview);
List <GlyphModelType> glyphsInstances = new List <GlyphModelType>();
char[] fontChars = s.ToCharArray();
for (int i = 0; i < fontChars.Length; i++)
{
Glyph glyph;
if (_GlyphMetadata.TryGetValue(fontChars[i], out glyph) == false)
{
continue;
}
// Set instance information
Matrix4x4f modelViewProjection = new Matrix4x4f(
new Vertex4f(charModel.GetColumn(0)),
new Vertex4f(charModel.GetColumn(1)),
new Vertex4f(charModel.GetColumn(2)),
new Vertex4f(charModel.GetColumn(3))
);
Vertex3f glyphVertexParams = new Vertex3f(
glyph.GlyphSize.Width, glyph.GlyphSize.Height,
glyph.Layer
);
Vertex2f glyphTexParams = new Vertex2f(
glyph.TexScale.Width, glyph.TexScale.Height
);
GlyphModelType glyphModel = new GlyphModelType();
glyphModel.ModelViewProjection = modelViewProjection;
glyphModel.VertexParams = glyphVertexParams;
glyphModel.TexParams = glyphTexParams;
glyphsInstances.Add(glyphModel);
// Move next
charModel.Translate(glyph.GlyphSize.Width, 0.0f);
}
return(glyphsInstances);
}
public void TestPerspectiveFrustum()
{
PerspectiveProjectionMatrix projectionMatrix = new PerspectiveProjectionMatrix();
ModelMatrix modelMatrix = new ModelMatrix();
BoundingBox boundingBox;
Vertex3f bboxPosition;
projectionMatrix.SetPerspective(60.0f, 1.0f, 0.5f, 15.0f);
modelMatrix.Translate(new Vertex3f(-1000.0f, 00.0f, 0.0f));
IEnumerable <Plane> planes = Plane.GetFrustumPlanes(projectionMatrix * modelMatrix);
bboxPosition = new Vertex3f(-0.5f, -0.5f, -3.0f);
boundingBox = new BoundingBox(bboxPosition, bboxPosition + Vertex3f.One);
Assert.IsTrue(boundingBox.IsClipped(planes));
bboxPosition = new Vertex3f(-10.5f, -10.5f, -3.0f);
boundingBox = new BoundingBox(bboxPosition, bboxPosition + Vertex3f.One);
Assert.IsTrue(boundingBox.IsClipped(planes));
bboxPosition = new Vertex3f(999.5f, -0.5f, -3.0f);
boundingBox = new BoundingBox(bboxPosition, bboxPosition + Vertex3f.One);
Assert.IsFalse(boundingBox.IsClipped(planes));
modelMatrix.SetIdentity();
modelMatrix.RotateY(180.0f);
planes = Plane.GetFrustumPlanes(projectionMatrix * modelMatrix);
bboxPosition = new Vertex3f(-10.5f, -10.5f, -3.0f);
boundingBox = new BoundingBox(bboxPosition, bboxPosition + Vertex3f.One);
Assert.IsTrue(boundingBox.IsClipped(planes));
bboxPosition = new Vertex3f(999.5f, -0.5f, -3.0f);
boundingBox = new BoundingBox(bboxPosition, bboxPosition + Vertex3f.One);
Assert.IsTrue(boundingBox.IsClipped(planes));
bboxPosition = new Vertex3f(-0.5f, -0.5f, +3.0f);
boundingBox = new BoundingBox(bboxPosition, bboxPosition + Vertex3f.One);
Assert.IsFalse(boundingBox.IsClipped(planes));
}
private void DisplayShadowMaps(GraphicsContext ctx)
{
State.ViewportState viewportState = new State.ViewportState(ctx);
OrthoProjectionMatrix orthoProjection = new OrthoProjectionMatrix(0.0f, viewportState.Width, 0.0f, viewportState.Height);
ModelMatrix model = new ModelMatrix();
// No depth test
State.DepthTestState.DefaultState.Apply(ctx, null);
ctx.Bind(_ShadowMapDebugProgram);
for (int i = 0; i < _LightManager.ShadowLights.Count; i++)
{
SceneObjectLight shadowLight = _LightManager.ShadowLights[i];
SceneObjectLightSpot shadowSpotLight = shadowLight as SceneObjectLightSpot;
if (shadowSpotLight == null)
{
continue;
}
Texture2d shadowTex = shadowSpotLight._ShadowMap;
shadowTex.SamplerParams.CompareMode = false;
ModelMatrix quadModel = new ModelMatrix(model);
quadModel.Scale(shadowTex.Width / 4, shadowTex.Height / 4);
_ShadowMapDebugProgram.SetUniform(ctx, "glo_ModelViewProjection", orthoProjection * quadModel);
_ShadowMapDebugProgram.SetUniform(ctx, "glo_NearFar", new Vertex2f(0.1f, 100.0f));
_ShadowMapDebugProgram.SetUniform(ctx, "glo_Texture", shadowTex);
_ShadowMapQuad.Draw(ctx, _ShadowMapDebugProgram);
shadowTex.SamplerParams.CompareMode = true;
// Stride right
model.Translate(shadowTex.Width, 0.0f);
}
}
/// <summary>
/// Draw a character sequence.
/// </summary>
/// <param name="ctx">
/// The <see cref="GraphicsContext"/> used for drawing.
/// </param>
/// <param name="modelview">
/// The <see cref="Matrix4x4"/> the model-view-projection matrix for the first character of <paramref name="s"/>.
/// </param>
/// <param name="color">
/// The <see cref="ColorRGBAF"/> that specifies the glyph color.
/// </param>
/// <param name="s">
/// A <see cref="String"/> that specifies the characters for be drawn.
/// </param>
private void DrawStringCore(GraphicsContext ctx, Matrix4x4 modelview, ColorRGBAF color, string s)
{
ModelMatrix charModel = new ModelMatrix(modelview);
ctx.Bind(_FontProgram);
_FontProgram.SetUniform(ctx, "glo_UniformColor", color);
if (ctx.Extensions.ShaderDrawParameters_ARB)
{
List <VertexArrayObject.IElement> glyphElements = new List <VertexArrayObject.IElement>();
int drawInstanceId = 0;
foreach (char c in s)
{
Glyph glyph;
if (_Glyphs.TryGetValue(c, out glyph) == false)
{
continue;
}
if (glyph.ElementIndex >= 0)
{
// Collect draw instance element
glyphElements.Add(_VertexArrays.GetElementArray(glyph.ElementIndex));
// Set model-view
_FontProgram.SetUniform(ctx, "glo_CharModelViewProjection[" + drawInstanceId + "]", charModel);
// Next instance
drawInstanceId++;
}
// Move next
charModel.Translate(glyph.GlyphSize.Width, 0.0f);
}
// Draw using Multi-Draw primitive
VertexArrayObject.IElement multiElement = _VertexArrays.CombineArrayElements(glyphElements);
_VertexArrays.Draw(ctx, _FontProgram, multiElement);
}
else
{
foreach (char c in s)
{
Glyph glyph;
if (_Glyphs.TryGetValue(c, out glyph) == false)
{
continue;
}
if (glyph.ElementIndex >= 0)
{
// Set model-view
_FontProgram.SetUniform(ctx, "glo_ModelViewProjection", charModel);
// Rasterize it
_VertexArrays.Draw(ctx, _FontProgram, glyph.ElementIndex);
}
// Move next
charModel.Translate(glyph.GlyphSize.Width, 0.0f);
}
}
}
/// <summary>
/// Update framebuffer.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void ObjectsControl_Render(object sender, GlControlEventArgs e)
{
GlControl senderControl = (GlControl)sender;
float senderAspectRatio = (float)senderControl.Width / senderControl.Height;
// Clear
Gl.Viewport(0, 0, senderControl.Width, senderControl.Height);
Gl.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
_CubeScene.CurrentView.LocalModel.SetIdentity();
_CubeScene.CurrentView.LocalModel.Translate(_ViewStrideLat, _ViewStrideAlt, 0.0f);
_CubeScene.CurrentView.LocalModel.RotateY(_ViewAzimuth);
_CubeScene.CurrentView.LocalModel.RotateX(_ViewElevation);
_CubeScene.CurrentView.LocalModel.Translate(0.0f, 0.0f, _ViewLever);
_CubeScene.CurrentView.ProjectionMatrix = new PerspectiveProjectionMatrix(45.0f, senderAspectRatio, 0.5f, 10000.0f);
_CubeScene.Draw(_Context);
// Overlay
ProjectionMatrix overlayProjection = new OrthoProjectionMatrix(0.0f, ClientSize.Width, 0.0f, ClientSize.Height);
ModelMatrix overlayModel = new ModelMatrix();
overlayModel.Translate(0.375f, 0.375f);
Gl.Clear(ClearBufferMask.DepthBufferBit);
ColorRGBAF fpsColor = ColorRGBAF.ColorGreen;
int fps = senderControl.Fps;
if (fps >= 59)
{
fpsColor = ColorRGBAF.ColorGreen;
}
else if (fps >= 29)
{
fpsColor = ColorRGBAF.ColorBlue;
}
else if (fps >= 24)
{
fpsColor = ColorRGBAF.ColorYellow;
}
else
{
fpsColor = ColorRGBAF.ColorRed;
}
fontPatch.DrawString(
_Context, overlayProjection * overlayModel, fpsColor,
String.Format("FPS: {0}", senderControl.Fps)
);
overlayModel.SetIdentity();
overlayModel.Translate(0.375f, ClientSize.Height - 64 + 0.375f);
fontTitle.DrawString(
_Context, overlayProjection * overlayModel, ColorRGBAF.ColorGreen,
"Hello Objects example ~(^.^)~"
);
overlayModel.SetIdentity();
overlayModel.Translate(0.375f, ClientSize.Height - 128 + 0.375f);
fontTitleV.DrawString(_Context, overlayProjection * overlayModel, ColorRGBAF.ColorGreen,
"Hello Objects example ~(^.^)~"
);
}
/// <summary>
/// Update framebuffer.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void ObjectsControl_Render(object sender, GlControlEventArgs e)
{
GlControl senderControl = (GlControl)sender;
float senderAspectRatio = (float)senderControl.Width / senderControl.Height;
KhronosApi.LogEnabled = false;
KhronosApi.LogComment("--------------------------------------------------");
KhronosApi.LogComment("*** Draw");
// Clear
Gl.Viewport(0, 0, senderControl.Width, senderControl.Height);
Gl.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
_CubeScene.CurrentView.ProjectionMatrix = new PerspectiveProjectionMatrix(45.0f, senderAspectRatio, 0.1f, 100.0f);
_CubeScene.CurrentView.LocalModel.SetIdentity();
_CubeScene.CurrentView.LocalModel.Translate(_ViewStrideLat, _ViewStrideAlt, 0.0f);
_CubeScene.CurrentView.LocalModel.RotateY(_ViewAzimuth);
_CubeScene.CurrentView.LocalModel.RotateX(_ViewElevation);
_CubeScene.CurrentView.LocalModel.Translate(0.0f, 0.0f, _ViewLever);
_CubeScene.UpdateViewMatrix();
_CubeScene.Draw(_Context);
KhronosApi.LogEnabled = false;
return;
// Overlay
ProjectionMatrix overlayProjection = new OrthoProjectionMatrix(0.0f, ClientSize.Width, 0.0f, ClientSize.Height);
ModelMatrix overlayModel = new ModelMatrix();
overlayModel.Translate(0.375f, 0.375f);
Gl.Clear(ClearBufferMask.DepthBufferBit);
ColorRGBAF fpsColor = ColorRGBAF.ColorGreen;
int fps = (int)Math.Floor(1000.0 / senderControl.FrameSwapTime.TotalMilliseconds);
if (fps >= 59)
{
fpsColor = ColorRGBAF.ColorGreen;
}
else if (fps >= 29)
{
fpsColor = ColorRGBAF.ColorBlue;
}
else if (fps >= 24)
{
fpsColor = ColorRGBAF.ColorYellow;
}
else
{
fpsColor = ColorRGBAF.ColorRed;
}
fontPatch.DrawString(
_Context, overlayProjection * overlayModel, fpsColor,
String.Format("FPS: {0}", fps)
);
overlayModel.SetIdentity();
overlayModel.Translate(0.375f, ClientSize.Height - 64 + 0.375f);
fontTitle.DrawString(
_Context, overlayProjection * overlayModel, ColorRGBAF.ColorGreen,
"Hello Objects example ~(^.^)~"
);
overlayModel.SetIdentity();
overlayModel.Translate(0.375f, ClientSize.Height - 128 + 0.375f);
fontTitleV.DrawString(_Context, overlayProjection * overlayModel, ColorRGBAF.ColorGreen,
"Hello Objects example ~(^.^)~"
);
// Release resources
_Context.DisposeResources();
}