/// <summary>
/// Called once per frame, the call is the entry point for 3d
/// rendering. This function sets up render states, clears the
/// viewport, and renders the scene.
/// </summary>
public void Render()
{
fpsTimer.StartFrame();
//Clear the backbuffer to a black color
device.Clear(ClearFlags.Target | ClearFlags.ZBuffer,
Color.Black, 1.0f, 0);
//Begin the scene
device.BeginScene();
// set the vertexbuffer stream source
device.SetStreamSource(0, vertexBuffer, 0);
// set fill mode
device.RenderState.FillMode = FillMode.Solid;
// set the indices
device.Indices = indexBuffer;
//use the indices buffer
device.DrawIndexedPrimitives(PrimitiveType.TriangleList,
0, 0, bufferSize * bufferSize, 0, vert_size / 3);
// Write instructions on the screen
drawingFont.DrawText(null, "Tap screen to generate\n new fractal.",
new Point(2, 40), System.Drawing.Color.White);
// output statistics
fpsTimer.Render();
device.EndScene();
device.Present();
fpsTimer.StopFrame();
}
/// <summary>
/// Called once per frame, the call is the entry point for 3d
/// rendering. This function sets up render states, clears the
/// viewport, and renders the scene.
/// </summary>
public void Render()
{
fpsTimer.StartFrame();
device.BeginScene();
// Clear the viewport to black and set the zbuffer to contain 1.0
device.Clear(ClearFlags.Target | ClearFlags.ZBuffer,
System.Drawing.Color.Black, 1.0f, 0);
// Center view matrix for skybox and disable zbuffer
// the zbuffer is not needed now because the skybox is a large
// box that will overwrite all of the window
Matrix matView, matViewSave;
matViewSave = device.Transform.View;
matView = matViewSave;
// This translates the camera down 0.3 units to make sure the
// sky box is under the terrain
matView.M41 = 0.0f;
matView.M42 = -0.3f;
matView.M43 = 0.0f;
device.Transform.View = matView;
device.RenderState.ZBufferEnable = false;
// Some cards do not disable writing to Z when
// D3DRS_ZENABLE is FALSE. So do it explicitly
device.RenderState.ZBufferWriteEnable = false;
// Render the skybox
skyBoxMesh.Render();
// Restore the render states
device.Transform.View = matViewSave;
device.RenderState.ZBufferEnable = true;
device.RenderState.ZBufferWriteEnable = true;
// Draw the terrain
terrainMesh.Render();
// Draw the trees
DrawTrees();
// Output statistics
fpsTimer.Render();
// End drawing for this scene and flush the frame
device.EndScene();
device.Present();
// stop timing this frame
fpsTimer.StopFrame();
}
/// <summary>
/// Called once per frame, the call is the entry point for 3d
/// rendering. This function sets up render states, clears the
/// viewport, and renders the scene.
/// </summary>
public void Render()
{
fpsTimer.StartFrame();
device.BeginScene();
// Clear the viewport
device.Clear(ClearFlags.Target | ClearFlags.ZBuffer,
System.Drawing.Color.Black, 1.0f, 0);
// Center view matrix for skybox and disable zbuffer
Matrix matView, matViewSave;
matViewSave = device.Transform.View;
matView = matViewSave;
matView.M41 = 0.0f;
matView.M42 = -0.3f;
matView.M43 = 0.0f;
device.Transform.View = matView;
device.RenderState.ZBufferEnable = false;
// Some cards do not disable writing to Z when
// D3DRS_ZENABLE is FALSE. So do it explicitly
device.RenderState.ZBufferWriteEnable = false;
// Render the skybox
skyBoxMesh.Render();
// Restore the render states
device.Transform.View = matViewSave;
device.RenderState.ZBufferEnable = true;
device.RenderState.ZBufferWriteEnable = true;
// Draw the terrain
terrainMesh.Render();
// Draw the trees
DrawTrees();
// Output statistics
fpsTimer.Render();
device.EndScene();
device.Present();
fpsTimer.StopFrame();
}
/// <summary>
/// Called once per frame, the call is the entry point for 3d
/// rendering. This function sets up render states, clears the
/// viewport, and renders the scene.
/// </summary>
public void Render()
{
MatrixFixed matWorld;
MatrixFixed matTrans;
MatrixFixed matRotate;
fpsTimer.StartFrame();
// Clear the viewport to a blue color (0x000000ff = blue)
device.Clear(ClearFlags.Target | ClearFlags.ZBuffer,
0x000000ff, 1.0f, 0);
device.BeginScene();
// Turn on light #0 and #2, and turn off light #1
device.LightsFixed[0].Enabled = true;
device.LightsFixed[1].Enabled = false;
device.LightsFixed[2].Enabled = true;
// Draw the floor
matTrans = new MatrixFixed(Matrix.Translation(-5.0f,
-5.0f, -5.0f));
matRotate = new MatrixFixed(Matrix.RotationZ(0.0f));
matWorld = MatrixFixed.Multiply(matRotate, matTrans);
device.Transform.WorldFixed = matWorld;
wallMesh.DrawSubset(0);
// Draw the back wall
matTrans =
new MatrixFixed(Matrix.Translation(5.0f, -5.0f, -5.0f));
matRotate = new MatrixFixed(Matrix.RotationZ((float)Math.PI / 2));
matWorld = MatrixFixed.Multiply(matRotate, matTrans);
device.Transform.WorldFixed = matWorld;
wallMesh.DrawSubset(0);
// Draw the side wall
matTrans =
new MatrixFixed(Matrix.Translation(-5.0f, -5.0f, 5.0f));
matRotate =
new MatrixFixed(Matrix.RotationX((float)-Math.PI / 2));
matWorld = MatrixFixed.Multiply(matRotate, matTrans);
device.Transform.WorldFixed = matWorld;
wallMesh.DrawSubset(0);
// Turn on light #1, and turn off light #0 and #2
device.LightsFixed[0].Enabled = false;
device.LightsFixed[1].Enabled = true;
device.LightsFixed[2].Enabled = false;
// Draw the mesh representing the light
if (lightData.Type == LightType.Point)
{
// Just position the point light -- no need to orient it
matWorld =
new MatrixFixed(Matrix.Translation(lightData.Position.X,
lightData.Position.Y, lightData.Position.Z));
device.Transform.WorldFixed = matWorld;
sphereMesh.DrawSubset(0);
}
else
{
// Position the light and point it in the light's direction
Vector3 vecFrom = new Vector3(lightData.Position.X,
lightData.Position.Y,
lightData.Position.Z);
Vector3 vecAt = new Vector3(
lightData.Position.X + lightData.Direction.X,
lightData.Position.Y + lightData.Direction.Y,
lightData.Position.Z + lightData.Direction.Z);
Vector3 vecUp = new Vector3(0, 1, 0);
Matrix matWorldInv;
matWorldInv = Matrix.LookAtLH(vecFrom, vecAt, vecUp);
matWorld = new MatrixFixed(Matrix.Invert(matWorldInv));
device.Transform.WorldFixed = matWorld;
coneMesh.DrawSubset(0);
}
// Output statistics
fpsTimer.Render();
device.EndScene();
device.Present();
fpsTimer.StopFrame();
}
/// <summary>
/// Called once per frame, the call is the entry point for 3d
/// rendering. This function sets up render states, clears the
/// viewport, and renders the scene.
/// </summary>
public void Render()
{
fpsTimer.StartFrame();
// clears the frame
device.Clear(ClearFlags.Target, 0, 1.0f, 0);
try
{
// start drawing commands
device.BeginScene();
int height = ClientRectangle.Height;
int width = ClientRectangle.Width;
System.Drawing.Rectangle rect;
// Demonstration 1
// Draw a simple line using DrawText
// Pass in DrawTextFormat.NoClip so we don't have to calc
// the bottom/right of the rect
font1.DrawText(null,
"This is a trivial call to Font.DrawText",
new System.Drawing.Rectangle(5, 150, 0, 0),
DrawTextFormat.NoClip, System.Drawing.Color.Red);
// Demonstration 2
// Allow multiple draw calls to sort by texture changes
// by Sprite When drawing 2D text use flags:
// SpriteFlags.AlphaBlend | SpriteFlags.SortTexture.
textDrawerSprite.Begin(SpriteFlags.AlphaBlend |
SpriteFlags.SortTexture);
rect = new System.Drawing.Rectangle(5, height - 15 * 6, 0, 0);
font2.DrawText(textDrawerSprite,
"These are multiple calls to Font.DrawText()",
rect, DrawTextFormat.NoClip, Color.White);
rect = new System.Drawing.Rectangle(5, height - 15 * 5, 0, 0);
font2.DrawText(textDrawerSprite,
"using the same Sprite. The font now caches",
rect, DrawTextFormat.NoClip, Color.White);
rect = new System.Drawing.Rectangle(5, height - 15 * 4, 0, 0);
font2.DrawText(textDrawerSprite,
"letters on one or more textures. In order",
rect, DrawTextFormat.NoClip, Color.White);
rect = new System.Drawing.Rectangle(5, height - 15 * 3, 0, 0);
font2.DrawText(textDrawerSprite,
"to sort by texturestate changes on multiple",
rect, DrawTextFormat.NoClip, Color.White);
rect = new System.Drawing.Rectangle(5, height - 15 * 2, 0, 0);
font2.DrawText(textDrawerSprite,
"calls to DrawText() pass a Sprite and use flags",
rect, DrawTextFormat.NoClip, Color.White);
rect = new System.Drawing.Rectangle(5, height - 15 * 1, 0, 0);
font2.DrawText(textDrawerSprite,
"SpriteFlags.AlphaBlend | SpriteFlags.SortTexture",
rect, DrawTextFormat.NoClip, Color.White);
textDrawerSprite.End();
// Demonstration 3:
// Word wrapping and unicode text.
// Note that not all fonts support dynamic font linking.
System.Drawing.Rectangle rc =
new System.Drawing.Rectangle(10, 35,
width - 30, height - 10);
font2.DrawText(null, bigText, rc,
DrawTextFormat.Left | DrawTextFormat.WordBreak |
DrawTextFormat.ExpandTabs,
System.Drawing.Color.CornflowerBlue);
// write the fps
fpsTimer.Render();
}
finally
{
// end the drawing commands and copy to screen
device.EndScene();
device.Present();
fpsTimer.StopFrame();
}
}
