vertex-array

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Texturing each polygon in vertex array - OpenGL

I am trying to get my render function to work. I am using vertex arrays. Here is the my vertex structure.[详细]

2023-03-26 19:04 分类：问答
Best way to draw scatter plot with lots of data points in C++ using OpenGL

I\'m writing a program in C++ that acquires 4 dimensional points data over a UDP socket and then plots the data in 6 separate 2D scatter plots. For example if we name the dimensions: A,B,C,D the six 2[详细]

2023-03-25 11:39 分类：问答
Rendering Optimization

I have heard that fewer draw开发者_JS百科ing calls = faster The implied lesson is to pack as much vertex data into as few arrays as possible to minimize the number of drawing calls.[详细]

2023-03-19 16:18 分类：问答
OpenGL Vertex buffer object, can I access the vertex data for other uses such as collision detection?

I\'m currently using the GLTools classes that come along with the Superbible 5th edition. I\'m looking in the GLTriangleBatch class and it has the following code:[详细]

2023-03-14 02:40 分类：问答
OpenGL ES2 GLubyte colors in vertex array not working

Apple suggests using the GLubyte data type for col开发者_如何学JAVAor data on iOS, so I am trying to get this to work. The result I get is that all color components <255 are completely black, and o[详细]

2023-03-12 03:31 分类：问答
glDrawArrays: when has it finished?

Pseudocode: void draw() { Vertex* vertices = scene.GetVertexArray(); glEnableClientState(...); glVertexPointer(..., vertices);[详细]

2023-03-01 16:33 分类：问答
OpenGL: Using vertex array to draw a cube causes graphical glitch

When trying to draw the following quads in OpenGL using a vertex array (instead of using immediate mode rendering), I get the graphical glitch (line segment) shown in the picture, which can be found i[详细]

2023-02-25 02:17 分类：问答
how to order vertices in a simple, non-convex polygon

I have a problem where I have a series of points for a simple, non-convex polygon (I hope I have the terminology correct).But the points are not necessarily in order (ie, clockwise or counterclockwise[详细]

2023-02-22 07:48 分类：问答
Converting OpenGL draw lists to vertex arrays or VBOs

I\'m trying to convert a program using draw lists, which are deprecated in OpenGL 3.0+, to use either vertex arrays or VBOs, but I\'m not f开发者_运维知识库inding any examples of how to do the convers[详细]

2023-02-21 22:46 分类：问答
Qt Vertex Arrays not working with QImage

I\'ll begin by apologizing for the length of the question.I believe I\'ve committed some smal开发者_如何转开发l, dumb error, but since I\'m entirely unable to find it, I decided to post all relevant c[详细]

2023-02-18 13:23 分类：问答