本文整理汇总了C#中Device.DrawIndexedUserPrimitives方法的典型用法代码示例。如果您正苦于以下问题：C# Device.DrawIndexedUserPrimitives方法的具体用法？C# Device.DrawIndexedUserPrimitives怎么用？C# Device.DrawIndexedUserPrimitives使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Device的用法示例。
在下文中一共展示了Device.DrawIndexedUserPrimitives方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: drawMesh
/// <summary>
/// Draw this model using a render context.
/// </summary>
/// <param name="pDevice">The render device to draw too.</param>
public void drawMesh(Device pDevice)
{
// Compute the vertex stride.
int iSize = Marshal.SizeOf(typeof(PositionTextured));
// For each attribute.
for (int iAttr = 0; iAttr < tAttibutes.Length; ++iAttr)
{
// Reference the attribute.
Attribute pAttr = tAttibutes[iAttr];
// Push it's material.
pDevice.SetTexture(0, tTextures[iAttr]);
// Draw that part of the vertex buffer.
pDevice.DrawIndexedUserPrimitives<UInt32, PositionTextured>(PrimitiveType.TriangleList, pAttr.iVertexStart, pAttr.iVertexCount, pAttr.iFaceCount, tIndex, Format.Index32, tVertex, iSize);
}
}示例2: Render
//.........这里部分代码省略.........
{
//localOrigin = BoundingBox.CalculateCenter();
Point3d centerPoint =
MathEngine.SphericalToCartesian(centerLatitude, centerLongitude,
quadTileSet.LayerRadius);
Point3d northHalf =
MathEngine.SphericalToCartesian(Angle.FromDegrees(north), centerLongitude,
quadTileSet.LayerRadius);
Point3d eastHalf =
MathEngine.SphericalToCartesian(centerLatitude, Angle.FromDegrees(east),
quadTileSet.LayerRadius);
Vector4 xdir = (2 * (eastHalf - centerPoint)).Vector4;
Vector4 ydir = (2 * (northHalf - centerPoint)).Vector4;
// up vector is radius at center point, normalized
Point3d zdir3 = centerPoint;
zdir3.normalize();
Vector4 zdir = zdir3.Vector4;
// local frame origin at SW corner, relative to local origin
Point3d localFrameOrigin = northHalf + eastHalf - centerPoint - localOrigin;
Vector4 lfoW = localFrameOrigin.Vector4;
lfoW.W = 1;
lfoW.Transform(device.Transform.World);
effect.SetValue(param, localFrameOrigin.Vector4); // JBTODO: Should this be lfoW?
param = (EffectHandle)quadTileSet.EffectParameters["LocalFrameXAxis"];
if (param != null) effect.SetValue(param, xdir);
param = (EffectHandle)quadTileSet.EffectParameters["LocalFrameYAxis"];
if (param != null) effect.SetValue(param, ydir);
param = (EffectHandle)quadTileSet.EffectParameters["LocalFrameZAxis"];
if (param != null) effect.SetValue(param, zdir);
}
}
catch
{
}
int numPasses = effect.Begin(0);
for (int i = 0; i < numPasses; i++)
{
effect.BeginPass(i);
device.DrawIndexedUserPrimitives(PrimitiveType.TriangleList, 0,
verts.Length, vertexIndexes.Length / 3, vertexIndexes, true,
verts);
effect.EndPass();
}
effect.End();
device.SetTextureStageState(1, TextureStageStates.TextureCoordinateIndex, tc1);
}
else
{
if (World.Settings.EnableSunShading)
{
Point3d sunPosition = SunCalculator.GetGeocentricPosition(TimeKeeper.CurrentTimeUtc);
Vector3 sunVector = new Vector3(
(float)sunPosition.X,
(float)sunPosition.Y,
(float)sunPosition.Z);
device.RenderState.Lighting = true;
Material material = new Material();
material.Diffuse = Color.White;
material.Ambient = Color.White;
device.Material = material;
device.RenderState.AmbientColor = World.Settings.ShadingAmbientColor.ToArgb();
device.RenderState.NormalizeNormals = true;
device.RenderState.AlphaBlendEnable = true;
device.Lights[0].Enabled = true;
device.Lights[0].Type = LightType.Directional;
device.Lights[0].Diffuse = LightColor;
device.Lights[0].Direction = sunVector;
device.TextureState[0].ColorOperation = TextureOperation.Modulate;
device.TextureState[0].ColorArgument1 = TextureArgument.Diffuse;
device.TextureState[0].ColorArgument2 = TextureArgument.TextureColor;
}
else
{
device.RenderState.Lighting = false;
device.RenderState.Ambient = World.Settings.StandardAmbientColor;
}
device.RenderState.TextureFactor = Color.FromArgb(m_CurrentOpacity, 255, 255, 255).ToArgb();
device.TextureState[0].AlphaOperation = TextureOperation.Modulate;
device.TextureState[0].AlphaArgument1 = TextureArgument.TextureColor;
device.TextureState[0].AlphaArgument2 = TextureArgument.TFactor;
device.DrawIndexedUserPrimitives(PrimitiveType.TriangleList, 0,
verts.Length, vertexIndexes.Length / 3, vertexIndexes, true, verts);
device.RenderState.TextureFactor = Color.FromArgb(255, 255, 255, 255).ToArgb();
}
}
if (isMultitexturing)
device.SetTextureStageState(1, TextureStageStates.ColorOperation, (int)TextureOperation.Disable);
}示例3: Render
/// <summary>
/// Render one of the 4 quadrants with optional download indicator
/// </summary>
void Render(Device device, CustomVertex.PositionNormalTextured[] verts, QuadTile child)
{
bool isMultitexturing = false;
if(!World.Settings.EnableSunShading)
{
if (World.Settings.ShowDownloadIndicator && child != null)
{
// Check/display download activity
GeoSpatialDownloadRequest request = child.DownloadRequest;
if (child.isDownloadingTerrain)
{
device.SetTexture(1, QuadTileSet.DownloadTerrainTexture);
isMultitexturing = true;
}
//else if (request != null)
else if(child.WaitingForDownload)
{
if (child.IsDownloadingImage)
device.SetTexture(1, QuadTileSet.DownloadInProgressTexture);
else
device.SetTexture(1, QuadTileSet.DownloadQueuedTexture);
isMultitexturing = true;
}
}
}
if (isMultitexturing)
device.SetTextureStageState(1, TextureStageStates.ColorOperation, (int)TextureOperation.BlendTextureAlpha);
if(verts != null && vertexIndexes != null)
{
if (QuadTileSet.Effect != null)
{
Effect effect = QuadTileSet.Effect;
// FIXME: just use the first technique for now
effect.Technique = effect.GetTechnique(0);
effect.SetValue("WorldViewProj", Matrix.Multiply(device.Transform.World, Matrix.Multiply(device.Transform.View, device.Transform.Projection)));
try
{
effect.SetValue("Tex0", textures[0]);
effect.SetValue("Tex1", textures[1]);
effect.SetValue("Brightness", QuadTileSet.GrayscaleBrightness);
float opacity = (float)QuadTileSet.Opacity / 255.0f;
effect.SetValue("Opacity", opacity);
}
catch
{
}
int numPasses = effect.Begin(0);
for (int i = 0; i < numPasses; i++)
{
effect.BeginPass(i);
device.DrawIndexedUserPrimitives(PrimitiveType.TriangleList, 0,
verts.Length, vertexIndexes.Length / 3, vertexIndexes, true, verts);
effect.EndPass();
}
effect.End();
}
else if (!QuadTileSet.RenderGrayscale || (device.DeviceCaps.PixelShaderVersion.Major < 1))
{
if (World.Settings.EnableSunShading)
{
Point3d sunPosition = SunCalculator.GetGeocentricPosition(TimeKeeper.CurrentTimeUtc);
Vector3 sunVector = new Vector3(
(float)sunPosition.X,
(float)sunPosition.Y,
(float)sunPosition.Z);
device.RenderState.Lighting = true;
Material material = new Material();
material.Diffuse = System.Drawing.Color.White;
material.Ambient = System.Drawing.Color.White;
device.Material = material;
device.RenderState.AmbientColor = World.Settings.ShadingAmbientColor.ToArgb();
device.RenderState.NormalizeNormals = true;
device.RenderState.AlphaBlendEnable = true;
device.Lights[0].Enabled = true;
device.Lights[0].Type = LightType.Directional;
device.Lights[0].Diffuse = System.Drawing.Color.White;
device.Lights[0].Direction = sunVector;
device.TextureState[0].ColorOperation = TextureOperation.Modulate;
device.TextureState[0].ColorArgument1 = TextureArgument.Diffuse;
device.TextureState[0].ColorArgument2 = TextureArgument.TextureColor;
}
else
{
device.RenderState.Lighting = false;
device.RenderState.Ambient = World.Settings.StandardAmbientColor;
}
//.........这里部分代码省略.........
示例4: Render
/// <summary>
/// Render one of the 4 quadrants with optional download indicator
/// </summary>
private void Render(Device device, CustomVertex.PositionTextured[] verts, QuadTile child)
{
bool isMultitexturing = false;
if (World.Settings.ShowDownloadIndicator
&& child != null) {
// Check/display download activity
GeoSpatialDownloadRequest request = child.DownloadRequest;
if (child.isDownloadingTerrain) {
device.SetTexture(1, QuadTileSet.DownloadTerrainTexture);
isMultitexturing = true;
}
//else if (request != null)
else if (child.WaitingForDownload) {
if (child.IsDownloadingImage) {
device.SetTexture(1, QuadTileSet.DownloadInProgressTexture);
}
else {
device.SetTexture(1, QuadTileSet.DownloadQueuedTexture);
}
isMultitexturing = true;
}
}
if (isMultitexturing) {
device.SetTextureStageState(1, TextureStageStates.ColorOperation, (int) TextureOperation.BlendTextureAlpha);
}
if (verts != null
&& vertexIndexes != null) {
device.DrawIndexedUserPrimitives(PrimitiveType.TriangleList, 0, verts.Length, vertexIndexes.Length/3, vertexIndexes, true, verts);
}
if (isMultitexturing) {
device.SetTextureStageState(1, TextureStageStates.ColorOperation, (int) TextureOperation.Disable);
}
}