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2014/10/16 ¤W¤È 08:14:16
android Programming Glossary: gl.gltranslatefTrying to draw textured triangles on device fails, but the emulator works. Why? http://stackoverflow.com/questions/2113638/trying-to-draw-textured-triangles-on-device-fails-but-the-emulator-works-why matrix gl.glPushMatrix Transformation matrices gl.glTranslatef x y 0.0f gl.glScalef scalefactor scalefactor 0.0f gl.glColor4f..
OpenGL ES - texture map all faces of an 8 vertex cube? http://stackoverflow.com/questions/2854237/opengl-es-texture-map-all-faces-of-an-8-vertex-cube 0 textureBuffer Translation and rotation before drawing gl.glTranslatef x y z gl.glRotatef rx 1 0 0 gl.glRotatef ry 0 1 0 gl.glRotatef..
How to use onSensorChanged sensor data in combination with OpenGL http://stackoverflow.com/questions/2881128/how-to-use-onsensorchanged-sensor-data-in-combination-with-opengl 0 0 0 1 move the axis to simulate augmented behaviour gl.glTranslatef 0 2 0 draw the 3 axis on the screen gl.glVertexPointer 3 GL_FLOAT..
Overlay images onto Camera preview SurfaceView http://stackoverflow.com/questions/3548666/overlay-images-onto-camera-preview-surfaceview gl.glMatrixMode GL10.GL_MODELVIEW gl.glLoadIdentity gl.glTranslatef 0 0 5.0f gl.glRotatef mAngle 0 1 0 gl.glRotatef mAngle 0.25f.. 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..
Problem drawing a sphere in OPENGL ES http://stackoverflow.com/questions/6072308/problem-drawing-a-sphere-in-opengl-es this value in z if you want to see the image zoomed in gl.glTranslatef 0.0f 0.0f 5.0f gl.glRotatef xRot 0.0f 1.0f 0.0f gl.glRotatef..
http://stackoverflow.com/questions/6699387/android-opengl-3d-picking upY upZ if pickPointTrigger pickPoint gl gl.glPushMatrix gl.glTranslatef _xTranslate _yTranslate _zTranslate gl.glTranslatef centerX.. gl.glTranslatef _xTranslate _yTranslate _zTranslate gl.glTranslatef centerX centerY centerZ gl.glRotatef _xAngle 1f 0f 0f gl.glRotatef.. _yAngle 0f 1f 0f gl.glRotatef _zAngle 0f 0f 1f gl.glTranslatef centerX centerY centerZ ptCloud.draw gl gl.glPopMatrix Here..
Trying to draw textured triangles on device fails, but the emulator works. Why? http://stackoverflow.com/questions/2113638/trying-to-draw-textured-triangles-on-device-fails-but-the-emulator-works-why 2 GL10.GL_FLOAT 0 textureBuffer Push transformation matrix gl.glPushMatrix Transformation matrices gl.glTranslatef x y 0.0f gl.glScalef scalefactor scalefactor 0.0f gl.glColor4f 1.0f 1.0f 1.0f 1.0f Bind the texture gl.glBindTexture GL10.GL_TEXTURE_2D..
OpenGL ES - texture map all faces of an 8 vertex cube? http://stackoverflow.com/questions/2854237/opengl-es-texture-map-all-faces-of-an-8-vertex-cube GL10.GL_TEXTURE_2D gl.glTexCoordPointer 2 GL10.GL_FLOAT 0 textureBuffer Translation and rotation before drawing gl.glTranslatef x y z gl.glRotatef rx 1 0 0 gl.glRotatef ry 0 1 0 gl.glRotatef rz 0 0 1 gl.glDrawElements GL10.GL_TRIANGLES numOfIndices..
How to use onSensorChanged sensor data in combination with OpenGL http://stackoverflow.com/questions/2881128/how-to-use-onsensorchanged-sensor-data-in-combination-with-opengl resultingAngles 1 1 0 0 gl.glRotatef resultingAngles 0 0 0 1 move the axis to simulate augmented behaviour gl.glTranslatef 0 2 0 draw the 3 axis on the screen gl.glVertexPointer 3 GL_FLOAT 0 vertexBuffer gl.glColorPointer 4 GL_FLOAT 0 colorBuffer..
Overlay images onto Camera preview SurfaceView http://stackoverflow.com/questions/3548666/overlay-images-onto-camera-preview-surfaceview gl gl.glClear GL10.GL_COLOR_BUFFER_BIT GL10.GL_DEPTH_BUFFER_BIT gl.glMatrixMode GL10.GL_MODELVIEW gl.glLoadIdentity gl.glTranslatef 0 0 5.0f gl.glRotatef mAngle 0 1 0 gl.glRotatef mAngle 0.25f 1 0 0 gl.glEnableClientState GL10.GL_VERTEX_ARRAY gl.glEnableClientState.. GL10.GL_VERTEX_ARRAY gl.glEnableClientState GL10.GL_COLOR_ARRAY 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 GL10 gl int width int height gl.glViewport 0 0..
Problem drawing a sphere in OPENGL ES http://stackoverflow.com/questions/6072308/problem-drawing-a-sphere-in-opengl-es gl.glClear GL10.GL_COLOR_BUFFER_BIT gl.glLoadIdentity Change this value in z if you want to see the image zoomed in gl.glTranslatef 0.0f 0.0f 5.0f gl.glRotatef xRot 0.0f 1.0f 0.0f gl.glRotatef yRot 1.0f 0.0f 0.0f mSphere.draw gl public void onSurfaceChanged..
http://stackoverflow.com/questions/6699387/android-opengl-3d-picking gl eyeX eyeY eyeZ centerX centerY centerZ upX upY upZ if pickPointTrigger pickPoint gl gl.glPushMatrix gl.glTranslatef _xTranslate _yTranslate _zTranslate gl.glTranslatef centerX centerY centerZ gl.glRotatef _xAngle 1f 0f 0f gl.glRotatef _yAngle.. upX upY upZ if pickPointTrigger pickPoint gl gl.glPushMatrix gl.glTranslatef _xTranslate _yTranslate _zTranslate gl.glTranslatef centerX centerY centerZ gl.glRotatef _xAngle 1f 0f 0f gl.glRotatef _yAngle 0f 1f 0f gl.glRotatef _zAngle 0f 0f 1f gl.glTranslatef.. centerX centerY centerZ gl.glRotatef _xAngle 1f 0f 0f gl.glRotatef _yAngle 0f 1f 0f gl.glRotatef _zAngle 0f 0f 1f gl.glTranslatef centerX centerY centerZ ptCloud.draw gl gl.glPopMatrix Here is my picking function. I've set the location to the middle..
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