public void OnSurfaceChanged(IGL10 gl, int width, int height)
{
gl.GlViewport(0, 0, width, height);
mViewportWidth = width;
mViewportHeight = height;
float ratio = (float)width / height;
mViewRect.Top = 1.0f;
mViewRect.Bottom = -1.0f;
mViewRect.Left = -ratio;
mViewRect.Right = ratio;
UpdatePageRects();
gl.GlMatrixMode(GL10.GlProjection);
gl.GlLoadIdentity();
if (USE_PERSPECTIVE_PROJECTION)
{
GLU.GluPerspective(gl, 20f, (float)width / height, .1f, 100f);
}
else
{
GLU.GluOrtho2D(gl, mViewRect.Left, mViewRect.Right,
mViewRect.Bottom, mViewRect.Top);
}
gl.GlMatrixMode(GL10.GlModelview);
gl.GlLoadIdentity();
}
public void OnSurfaceChanged(IGL10 gl, int width, int height)
{
gl.GlViewport(0, 0, width, height);
gl.GlMatrixMode(IGL10Constants.GL_PROJECTION);
gl.GlLoadIdentity();
GLU.GluPerspective(gl, 45.0f, (float)width / (float)height, 0.1f, 100.0f);
gl.GlViewport(0, 0, width, height);
gl.GlMatrixMode(IGL10Constants.GL_MODELVIEW);
gl.GlLoadIdentity();
}
public void OnSurfaceChanged (IGL10 gl, int width, int height)
{
// Replace the current matrix with the identity matrix
gl.GlMatrixMode (GL10.GlProjection);
gl.GlLoadIdentity(); // OpenGL docs
gl.GlOrthof (-2, 2, -2, 2, -1, 10);
// Translates 4 units into the screen.
gl.GlMatrixMode (GL10.GlModelview);
//gl.GlTranslatef(0, 0, -4); // OpenGL docs
gl.GlClearColor (255, 255, 255, 255);
gl.GlClear(GL10.GlColorBufferBit | // OpenGL docs.
GL10.GlDepthBufferBit);
}
public void OnSurfaceChanged(IGL10 gl, int width, int height)
{
// Replace the current matrix with the identity matrix
gl.GlMatrixMode(GL10.GlProjection);
gl.GlLoadIdentity(); // OpenGL docs
gl.GlOrthof(-2, 2, -2, 2, -1, 10);
// Translates 4 units into the screen.
gl.GlMatrixMode(GL10.GlModelview);
//gl.GlTranslatef(0, 0, -4); // OpenGL docs
gl.GlClearColor(255, 255, 255, 255);
gl.GlClear(GL10.GlColorBufferBit | // OpenGL docs.
GL10.GlDepthBufferBit);
}
/// <summary>
/// Raises the draw frame event.
/// </summary>
/// <param name="gl">Gl.</param>
public void OnDrawFrame(IGL10 gl)
{
// Replace the current matrix with the identity matrix
gl.GlMatrixMode(GL10.GlProjection);
gl.GlLoadIdentity(); // OpenGL docs
gl.GlOrthof(_left, _right, _bottom, _top, -1, 1);
for (int idx = 0; idx < _triangles.Count; idx++)
{
gl.GlVertexPointer(3, GL10.GlFloat, 0, _triangles[idx].Vertices);
gl.GlEnableClientState(GL10.GlVertexArray);
gl.GlColorPointer(4, GL10.GlUnsignedByte, 0, _triangles[idx].Colors);
gl.GlEnableClientState(GL10.GlColorArray);
gl.GlDrawArrays(GL10.GlTriangleStrip, 0, _triangles[idx].Count);
}
for (int idx = 0; idx < _lines.Count; idx++)
{
gl.GlVertexPointer(3, GL10.GlFloat, 0, _lines[idx].Vertices);
gl.GlEnableClientState(GL10.GlVertexArray);
SimpleColor color = new SimpleColor()
{
Value = _lines[idx].Color
};
gl.GlColor4f(color.R / 255f, color.G / 255f, color.B / 255f, color.A / 255f);
gl.GlLineWidth(_lines [idx].Width);
gl.GlDrawArrays(GL10.GlLineStrip, 0, _lines[idx].Count);
}
}
public void OnDrawFrame(IGL10 gl)
{
/*
* Usually, the first thing one might want to do is to clear
* the screen. The most efficient way of doing this is to use
* glClear().
*/
gl.GlClear(GL10.GlColorBufferBit | GL10.GlDepthBufferBit);
/*
* Now we're ready to draw some 3D objects
*/
gl.GlMatrixMode(GL10.GlModelview);
gl.GlLoadIdentity();
gl.GlTranslatef(0, 0, -3.0f);
gl.GlRotatef(mAngle, 0, 1, 0);
gl.GlRotatef(mAngle * 0.25f, 1, 0, 0);
gl.GlEnableClientState(GL10.GlVertexArray);
gl.GlEnableClientState(GL10.GlColorArray);
mCube.Draw(gl);
gl.GlRotatef(mAngle * 2.0f, 0, 1, 1);
gl.GlTranslatef(0.5f, 0.5f, 0.5f);
mCube.Draw(gl);
mAngle += 1.2f;
}
public override void Present(float deltaTime)
{
IGL10 gl = _glGraphics.GL10;
gl.GlViewport(0, 0, _glGraphics.Width, _glGraphics.Height);
gl.GlClearColor(0, 0, 0, 1);
gl.GlClear(GL10.GlColorBufferBit);
gl.GlMatrixMode(GL10.GlProjection);
gl.GlLoadIdentity();
gl.GlOrthof(0, 540, 0, 960, 1, -1);
gl.GlEnable(GL10.GlTexture2d);
gl.GlBlendFunc(GL10.GlSrcAlpha, GL10.GlOneMinusSrcAlpha);
gl.GlEnable(GL10.GlBlend);
gl.GlBindTexture(GL10.GlTexture2d, _textureId);
gl.GlEnableClientState(GL10.GlVertexArray);
gl.GlEnableClientState(GL10.GlTextureCoordArray);
_vertices.Position(0);
gl.GlVertexPointer(2, GL10.GlFloat, _vertexSize, _vertices);
_vertices.Position(2);
gl.GlTexCoordPointer(2, GL10.GlFloat, _vertexSize, _vertices);
gl.GlDrawArrays(GL10.GlTriangles, 0, 3);
//gl.GlDisableClientState(GL10.GlVertexArray);
//gl.GlDisableClientState(GL10.GlTextureCoordArray);
}
public void OnDrawFrame(IGL10 gl)
{
// 清除屏幕缓存和深度缓存
gl.GlClear(GL10.GlColorBufferBit | GL10.GlDepthBufferBit);
// 启用顶点坐标数据
gl.GlEnableClientState(GL10.GlVertexArray);
// 启用贴图坐标数组数据
gl.GlEnableClientState(GL10.GlTextureCoordArray); // ①
// 设置当前矩阵模式为模型视图。
gl.GlMatrixMode(GL10.GlModelview);
gl.GlLoadIdentity();
// 把绘图中心移入屏幕2个单位
gl.GlTranslatef(0f, 0.0f, -2.0f);
// 旋转图形
gl.GlRotatef(ma.angleY, 0, 1, 0);
gl.GlRotatef(ma.angleX, 1, 0, 0);
// 设置顶点的位置数据
gl.GlVertexPointer(3, GL10.GlFloat, 0, cubeVerticesBuffer);
// 设置贴图的坐标数据
gl.GlTexCoordPointer(2, GL10.GlFloat, 0, cubeTexturesBuffer); // ②
// 执行纹理贴图
gl.GlBindTexture(GL10.GlTexture2d, texture); // ③
// 按cubeFacetsBuffer指定的面绘制三角形
gl.GlDrawElements(GL10.GlTriangles, cubeFacetsBuffer.Remaining(),
GL10.GlUnsignedByte, cubeFacetsBuffer);
// 绘制结束
gl.GlFinish();
// 禁用顶点、纹理坐标数组
gl.GlDisableClientState(GL10.GlVertexArray);
gl.GlDisableClientState(GL10.GlTextureCoordArray);
// 递增角度值以便每次以不同角度绘制
}
public void OnDrawFrame(IGL10 gl)
{
/*
* Usually, the first thing one might want to do is to clear
* the screen. The most efficient way of doing this is to use
* glClear().
*/
gl.GlClear (GL10.GlColorBufferBit | GL10.GlDepthBufferBit);
/*
* Now we're ready to draw some 3D objects
*/
gl.GlMatrixMode (GL10.GlModelview);
gl.GlLoadIdentity ();
gl.GlTranslatef (0, 0, -3.0f);
gl.GlRotatef (mAngle, 0, 1, 0);
gl.GlRotatef (mAngle*0.25f, 1, 0, 0);
gl.GlEnableClientState (GL10.GlVertexArray);
gl.GlEnableClientState (GL10.GlColorArray);
mCube.Draw (gl);
gl.GlRotatef (mAngle*2.0f, 0, 1, 1);
gl.GlTranslatef (0.5f, 0.5f, 0.5f);
mCube.Draw (gl);
mAngle += 1.2f;
}
public void OnSurfaceChanged(IGL10 gl, int width, int height)
{
// 设置3D视窗的大小及位置
gl.GlViewport(0, 0, width, height);
// 将当前矩阵模式设为投影矩阵
gl.GlMatrixMode(GL10.GlProjection);
// 初始化单位矩阵
gl.GlLoadIdentity();
// 计算透视视窗的宽度、高度比
float ratio = (float)width / height;
// 调用此方法设置透视视窗的空间大小。
gl.GlFrustumf(-ratio, ratio, -1, 1, 1, 10);
}
public void OnSurfaceChanged (IGL10 gl, int width, int height)
{
gl.GlViewport (0, 0, width, height);
/*
* Set our projection matrix. This doesn't have to be done
* each time we draw, but usually a new projection needs to
* be set when the viewport is resized.
*/
float ratio = (float) width / height;
gl.GlMatrixMode (GL10.GlProjection);
gl.GlLoadIdentity ();
gl.GlFrustumf (-ratio, ratio, -1, 1, 1, 10);
}
public override void Present(float delta)
{
IGL10 gl = _glGraphics.GL10;
gl.GlViewport(0, 0, _glGraphics.Width, _glGraphics.Height - 200);
gl.GlClear(GL10.GlColorBufferBit);
gl.GlMatrixMode(GL10.GlProjection);
gl.GlLoadIdentity();
gl.GlOrthof(0, 540, 0, 960, 1, -1);
gl.GlColor4f(1, 0, 0, 1);
gl.GlEnableClientState(GL10.GlVertexArray);
_vertices.Position(0);
gl.GlVertexPointer(2, GL10.GlFloat, _vertexSize, _vertices);
gl.GlDrawArrays(GL10.GlTriangles, 0, 3);
}
public override void Resume()
{
IGL10 gl = _glGraphics.GL10;
gl.GlViewport(0, 0, _glGraphics.Width, _glGraphics.Height);
gl.GlClearColor(0, 1, 0, 1);
gl.GlMatrixMode(GL10.GlProjection);
gl.GlLoadIdentity();
gl.GlOrthof(0, 540, 0, 960, 1, -1);
gl.GlEnable(GL10.GlTexture2d);
_texture.Reload();
//_texture.BindTexture ();
}
public void OnSurfaceChanged(IGL10 gl, int width, int height)
{
gl.GlViewport(0, 0, width, height);
/*
* Set our projection matrix. This doesn't have to be done
* each time we draw, but usually a new projection needs to
* be set when the viewport is resized.
*/
float ratio = (float)width / height;
gl.GlMatrixMode(GL10.GlProjection);
gl.GlLoadIdentity();
gl.GlFrustumf(-ratio, ratio, -1, 1, 1, 10);
}
public override void Present(float deltaTime)
{
IGL10 gl = _glGraphics.GL10;
gl.GlClear(GL10.GlColorBufferBit);
gl.GlMatrixMode(GL10.GlModelview);
_vertices.Bind();
for (int i = 0; i < NUM_BOBS; i++)
{
gl.GlLoadIdentity();
gl.GlTranslatef(_bobs[i].dx, _bobs [i].dy, 0);
gl.GlRotatef(_bobs[i].grad, 0, 0, -1f);
_vertices.Draw(GL10.GlTriangles, 0, 6);
}
_vertices.Unbind();
}
public override void Present(float deltaTime)
{
IGL10 gl = _glGraphics.GL10;
gl.GlViewport(0, 0, _glGraphics.Width, _glGraphics.Height);
gl.GlClear(GL10.GlColorBufferBit);
gl.GlMatrixMode(GL10.GlProjection);
gl.GlLoadIdentity();
gl.GlOrthof(0, 540, 0, 960, 1, -1);
gl.GlEnable(GL10.GlTexture2d);
_texture.BindTexture();
gl.GlEnableClientState(GL10.GlVertexArray);
gl.GlEnableClientState(GL10.GlTextureCoordArray);
_vertices.Position(0);
gl.GlVertexPointer(2, GL10.GlFloat, _vertexSize, _vertices);
_vertices.Position(2);
gl.GlTexCoordPointer(2, GL10.GlFloat, _vertexSize, _vertices);
gl.GlDrawElements(GL10.GlTriangles, 6, GL10.GlUnsignedShort, _indices);
}
/// <summary>
/// Raises the draw frame event.
/// </summary>
/// <param name="gl">Gl.</param>
public void OnDrawFrame(IGL10 gl)
{
lock (_triangles)
{
// Replace the current matrix with the identity matrix
gl.GlMatrixMode(GL10.GlProjection);
gl.GlLoadIdentity(); // OpenGL docs
gl.GlOrthof(_left, _right, _bottom, _top, -1, 1);
SimpleColor color = SimpleColor.FromKnownColor(KnownColor.White);
gl.GlClearColor(color.R / 255f, color.G / 255f, color.B / 255f, color.A / 255f);
gl.GlClear(GL10.GlColorBufferBit);
for (int idx = 0; idx < _triangles.Count; idx++)
{
gl.GlVertexPointer(3, GL10.GlFloat, 0, _triangles[idx].Vertices);
gl.GlEnableClientState(GL10.GlVertexArray);
gl.GlColorPointer(4, GL10.GlUnsignedByte, 0, _triangles[idx].Colors);
gl.GlEnableClientState(GL10.GlColorArray);
gl.GlDrawArrays(GL10.GlTriangleStrip, 0, _triangles[idx].Count);
}
for (int idx = 0; idx < _lines.Count; idx++)
{
gl.GlVertexPointer(3, GL10.GlFloat, 0, _lines[idx].Vertices);
gl.GlEnableClientState(GL10.GlVertexArray);
color = new SimpleColor()
{
Value = _lines[idx].Color
};
gl.GlColor4f(color.R / 255f, color.G / 255f, color.B / 255f, color.A / 255f);
gl.GlLineWidth(_lines[idx].Width);
gl.GlDrawArrays(GL10.GlLineStrip, 0, _lines[idx].Count);
}
}
}
public void OnSurfaceChanged(IGL10 gl, int width, int height)
{
float ratio = (float)width / height;
//����OpenGL�����Ĵ�С
gl.GlViewport(0, 0, width, height);
//����ͶӰ����
gl.GlMatrixMode(GL10.GlProjection);
//����ͶӰ����
gl.GlLoadIdentity();
// �����ӿڵĴ�С
viewport[2] = width;
viewport[3] = height;
OnZoomReset(true);
m_bViewRest = false;
mbChangeView = true;
//GL.Ortho(-mdSizeFactorX, mdSizeFactorX, -mdSizeFactorY, mdSizeFactorY, mdzNear, mdzFar);
//updateMatrix();
// Calculate the aspect ratio of the window
// ѡ��ģ�۲����
gl.GlMatrixMode(GL10.GlModelview);
// ����ģ�۲����
gl.GlLoadIdentity();
// gl.glViewport(0, 0, width, height);
// gl.glMatrixMode(GL10.GL_PROJECTION);
// gl.glLoadIdentity();
// float ratio = (float)width / height;
// gl.glFrustumf(-ratio, ratio, -1, 1, 1, 10);
//gl.GlGetIntegerv(GL11.GlViewport, viewport_buf);
//GLES20.GlGetFloatv(GL11.GlModelviewMatrix, mvmatrix_buf);
//GLES20.GlGetFloatv(GL11.GlProjectionMatrix, projmatrix_buf);
}
