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)
{
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 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 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 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 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);
}
public void OnSurfaceChanged(IGL10 gl, int width, int height)
{
float ratio = (float)width / height;
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gl.GlViewport(0, 0, width, height);
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gl.GlMatrixMode(GL10.GlProjection);
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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
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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);
}