本文整理汇总了C#中OpenGL.LoadIdentity方法的典型用法代码示例。如果您正苦于以下问题：C# OpenGL.LoadIdentity方法的具体用法？C# OpenGL.LoadIdentity怎么用？C# OpenGL.LoadIdentity使用的例子？那么, 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OpenGL的用法示例。
在下文中一共展示了OpenGL.LoadIdentity方法的5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: CreateProjectionMatrix
/// <summary>
/// Creates the projection matrix for the given screen size.
/// </summary>
/// <param name="gl">The OpenGL instance.</param>
/// <param name="screenWidth">Width of the screen.</param>
/// <param name="screenHeight">Height of the screen.</param>
public void CreateProjectionMatrix(OpenGL gl, float screenWidth, float screenHeight)
{
// Create the projection matrix for our screen size.
const float S = 0.46f;
float H = S * screenHeight / screenWidth;
projectionMatrix = glm.pfrustum(-S, S, -H, H, 1, 100);
// When we do immediate mode drawing, OpenGL needs to know what our projection matrix
// is, so set it now.
gl.MatrixMode(OpenGL.GL_PROJECTION);
gl.LoadIdentity();
gl.MultMatrix(projectionMatrix.to_array());
gl.MatrixMode(OpenGL.GL_MODELVIEW);
}示例2: Project
/// <summary>
/// This function projects through the camera, to OpenGL, ie. it
/// creates a projection matrix.
/// </summary>
public virtual void Project(OpenGL gl)
{
// Load the projection identity matrix.
gl.MatrixMode(OpenGL.GL_PROJECTION);
gl.LoadIdentity();
// Perform the projection.
TransformProjectionMatrix(gl);
// Get the matrix.
float[] matrix = new float[16];
gl.GetFloat(OpenGL.GL_PROJECTION_MATRIX, matrix);
for(int i=0; i<4; i++)
for(int j=0; j<4; j++)
projectionMatrix[i,j] = matrix[(i*4) + j];
// Back to the modelview matrix.
gl.MatrixMode(OpenGL.GL_MODELVIEW);
}示例3: SampleRendering
private void SampleRendering(OpenGL gl, float rX, float rY, float rZ)
{
gl.Clear(OpenGL.GL_COLOR_BUFFER_BIT | OpenGL.GL_DEPTH_BUFFER_BIT); // Clear The Screen And The Depth Buffer
gl.LoadIdentity(); // Reset The View
gl.Translate(-1.5f, 0.0f, -6.0f); // Move Left And Into The Screen
gl.Rotate(rtri, rX, rY, rZ); // Rotate The Pyramid On It's Y Axis
gl.Begin(OpenGL.GL_TRIANGLES); // Start Drawing The Pyramid
gl.Color(1.0f, 0.0f, 0.0f); // Red
gl.Vertex(0.0f, 1.0f, 0.0f); // Top Of Triangle (Front)
gl.Color(0.0f, 1.0f, 0.0f); // Green
gl.Vertex(-1.0f, -1.0f, 1.0f); // Left Of Triangle (Front)
gl.Color(0.0f, 0.0f, 1.0f); // Blue
gl.Vertex(1.0f, -1.0f, 1.0f); // Right Of Triangle (Front)
gl.Color(1.0f, 0.0f, 0.0f); // Red
gl.Vertex(0.0f, 1.0f, 0.0f); // Top Of Triangle (Right)
gl.Color(0.0f, 0.0f, 1.0f); // Blue
gl.Vertex(1.0f, -1.0f, 1.0f); // Left Of Triangle (Right)
gl.Color(0.0f, 1.0f, 0.0f); // Green
gl.Vertex(1.0f, -1.0f, -1.0f); // Right Of Triangle (Right)
gl.Color(1.0f, 0.0f, 0.0f); // Red
gl.Vertex(0.0f, 1.0f, 0.0f); // Top Of Triangle (Back)
gl.Color(0.0f, 1.0f, 0.0f); // Green
gl.Vertex(1.0f, -1.0f, -1.0f); // Left Of Triangle (Back)
gl.Color(0.0f, 0.0f, 1.0f); // Blue
gl.Vertex(-1.0f, -1.0f, -1.0f); // Right Of Triangle (Back)
gl.Color(1.0f, 0.0f, 0.0f); // Red
gl.Vertex(0.0f, 1.0f, 0.0f); // Top Of Triangle (Left)
gl.Color(0.0f, 0.0f, 1.0f); // Blue
gl.Vertex(-1.0f, -1.0f, -1.0f); // Left Of Triangle (Left)
gl.Color(0.0f, 1.0f, 0.0f); // Green
gl.Vertex(-1.0f, -1.0f, 1.0f); // Right Of Triangle (Left)
gl.End(); // Done Drawing The Pyramid
gl.LoadIdentity();
gl.Translate(1.5f, 0.0f, -7.0f); // Move Right And Into The Screen
gl.Rotate(rquad, rX, rY, rZ); // Rotate The Cube On X, Y & Z
gl.Begin(OpenGL.GL_QUADS); // Start Drawing The Cube
gl.Color(0.0f, 1.0f, 0.0f); // Set The Color To Green
gl.Vertex(1.0f, 1.0f, -1.0f); // Top Right Of The Quad (Top)
gl.Vertex(-1.0f, 1.0f, -1.0f); // Top Left Of The Quad (Top)
gl.Vertex(-1.0f, 1.0f, 1.0f); // Bottom Left Of The Quad (Top)
gl.Vertex(1.0f, 1.0f, 1.0f); // Bottom Right Of The Quad (Top)
gl.Color(1.0f, 0.5f, 0.0f); // Set The Color To Orange
gl.Vertex(1.0f, -1.0f, 1.0f); // Top Right Of The Quad (Bottom)
gl.Vertex(-1.0f, -1.0f, 1.0f); // Top Left Of The Quad (Bottom)
gl.Vertex(-1.0f, -1.0f, -1.0f); // Bottom Left Of The Quad (Bottom)
gl.Vertex(1.0f, -1.0f, -1.0f); // Bottom Right Of The Quad (Bottom)
gl.Color(1.0f, 0.0f, 0.0f); // Set The Color To Red
gl.Vertex(1.0f, 1.0f, 1.0f); // Top Right Of The Quad (Front)
gl.Vertex(-1.0f, 1.0f, 1.0f); // Top Left Of The Quad (Front)
gl.Vertex(-1.0f, -1.0f, 1.0f); // Bottom Left Of The Quad (Front)
gl.Vertex(1.0f, -1.0f, 1.0f); // Bottom Right Of The Quad (Front)
gl.Color(1.0f, 1.0f, 0.0f); // Set The Color To Yellow
gl.Vertex(1.0f, -1.0f, -1.0f); // Bottom Left Of The Quad (Back)
gl.Vertex(-1.0f, -1.0f, -1.0f); // Bottom Right Of The Quad (Back)
gl.Vertex(-1.0f, 1.0f, -1.0f); // Top Right Of The Quad (Back)
gl.Vertex(1.0f, 1.0f, -1.0f); // Top Left Of The Quad (Back)
gl.Color(0.0f, 0.0f, 1.0f); // Set The Color To Blue
gl.Vertex(-1.0f, 1.0f, 1.0f); // Top Right Of The Quad (Left)
gl.Vertex(-1.0f, 1.0f, -1.0f); // Top Left Of The Quad (Left)
gl.Vertex(-1.0f, -1.0f, -1.0f); // Bottom Left Of The Quad (Left)
gl.Vertex(-1.0f, -1.0f, 1.0f); // Bottom Right Of The Quad (Left)
gl.Color(1.0f, 0.0f, 1.0f); // Set The Color To Violet
gl.Vertex(1.0f, 1.0f, -1.0f); // Top Right Of The Quad (Right)
gl.Vertex(1.0f, 1.0f, 1.0f); // Top Left Of The Quad (Right)
gl.Vertex(1.0f, -1.0f, 1.0f); // Bottom Left Of The Quad (Right)
gl.Vertex(1.0f, -1.0f, -1.0f); // Bottom Right Of The Quad (Right)
gl.End(); // Done Drawing The Q
gl.Flush();
rtri += 1.0f;// 0.2f; // Increase The Rotation Variable For The Triangle
rquad -= 1.0f;// 0.15f; // Decrease The Rotation Variable For The Quad
}示例4: RenderImmediateMode
/// <summary>
/// Renders the scene in immediate mode.
/// </summary>
/// <param name="gl">The OpenGL instance.</param>
public void RenderImmediateMode(OpenGL gl)
{
// Setup the modelview matrix.
gl.MatrixMode(OpenGL.GL_MODELVIEW);
gl.LoadIdentity();
gl.MultMatrix(modelviewMatrix.to_array());
// Push the polygon attributes and set line mode.
gl.PushAttrib(OpenGL.GL_POLYGON_BIT);
gl.PolygonMode(FaceMode.FrontAndBack, PolygonMode.Lines);
// Render the trefoil.
var vertices = trefoilKnot.Vertices;
gl.Begin(BeginMode.Triangles);
foreach (var index in trefoilKnot.Indices)
gl.Vertex(vertices[index].x, vertices[index].y, vertices[index].z);
gl.End();
// Pop the attributes, restoring all polygon state.
gl.PopAttrib();
}示例5: Project
/// <summary>
/// This function projects through the camera, to OpenGL, ie. it
/// creates a projection matrix.
/// </summary>
public virtual void Project(OpenGL gl)
{
// Load the projection identity matrix.
gl.MatrixMode(OpenGL.PROJECTION);
gl.LoadIdentity();
// Perform the projection.
TransformProjectionMatrix(gl);
// If we have the lookAtTarget set to true, look at it now.
if(lookAtTarget)
LookAt(gl);
// Get the matrix.
float[] matrix = new float[16];
gl.GetFloat(OpenGL.PROJECTION_MATRIX, matrix);
for(int i=0; i<4; i++)
for(int j=0; j<4; j++)
projectionMatrix.data[j][i] = matrix[(i*4) + j];
// Back to the modelview matrix.
gl.MatrixMode(OpenGL.MODELVIEW);
// if(lookAtTarget)
// LookAt(gl);
}