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POMultiple Textures OpenGL GLUT C++
 

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  1. POMultiple Textures OpenGL GLUT C++
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    <p>Okay still having a few problems with it, this is what I have so far: </p> <pre><code>Bitmap Display::m_HeightMap; unsigned int Display:: textures; </code></pre> <p>My initialise method:</p> <pre><code> glEnable(GL_TEXTURE_2D); Bitmap image[2]; GLuint *textures = new GLuint[2]; glGenTextures(1, textures); glGenTextures(2, textures); image[0].loadBMP("myTexture.bmp"); image[1].loadBMP("myOtherTexture.bmp"); glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE , GL_MODULATE); glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_NEAREST); glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); gluBuild2DMipmaps(GL_TEXTURE_2D, 3, image.width, image.height, GL_RGB, GL_UNSIGNED_BYTE, image.data); </code></pre> <p>The above line gives an error: left of .data must have class/struct/ union</p> <pre><code>glDisable(GL_TEXTURE_2D); </code></pre> <p>Draw Method: </p> <pre><code>void Draw() { glEnable(GL_TEXTURE_2D); glBegin(GL_QUADS); //TOP glBindTexture(GL_TEXTURE_2D, textures[0]); glNormal3f(0,1,0); glColor4f(1,1,1,0); //glColor3d(0.5,0.40,0.05); glTexCoord2f(0.0f,0.0f); glVertex3f(-4.5, 0.3, 2);//bottom left glTexCoord2f(1.0f,0.0f); glVertex3f(-4.5, 0.3, 2.5);//bottom right glTexCoord2f(1.0f,1.0f); glVertex3f(4.5, 0.3, 2.5);//top right glTexCoord2f(0.0f,1.0f); glVertex3f(4.5, 0.3, 2);//top left glEnd(); glDisable(GL_TEXTURE_2D); } </code></pre> <p>Only problem here is that texture is undefined.</p> <p>One last thing hopefully! </p> <pre><code>void loadTexture(GLuint texture, const char* filename) { Bitmap image; Bitmap image[2]; image[0].loadBMP("myTexture.bmp"); &lt;=== error image[1].loadBMP("myTexture2.bmp"); &lt;=== error glBindTexture(GL_TEXTURE_2D, texture); glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE , GL_MODULATE); glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_NEAREST); glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); gluBuild2DMipmaps(GL_TEXTURE_2D, 3, image.width, image.height, GL_RGB, GL_UNSIGNED_BYTE, </code></pre> <p>image.data); }</p> <p>When I try and load multiple bitmaps I get 7 errors, </p> <p>error C2040: image:'Bitmap [2]' differs in level of indirection of 'Bitmap'<br> error C2088: '[' illegal for class (twice)<br> error C2228: left of .BMP must have class/struct/union (twice)<br> no operator "[]" matches these operands (twice) </p>
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