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Using light map, Information about static light sources can be (color, shadow, direction, etc.) are stored on the texture. When rendering static objects, it is not necessary to perform multiple light pass es, but directly sample and calculate from the texture. Using light map can realize indirect lighting and global lighting at a low cost. Turn ...

2021SC@SDUSC catalogue Model 1. Structure and Deconstruction 2.GetBoundingSphere and ComputeBoundingSphere The modelloader class was mentioned in the previous sections. This section will formally describe the content of the Model class. Model Like Shader and Texture, the model takes its own loader as a friend class at the beginning. At ...

irrlicht learning notes - from getting started to giving up This is a game engine developer irrlicht's learning notes Written at the end Spent a day, through the rough study of irrlicht. Know the basic usage, how to load resources, create nodes, how to load maps, GUI, collision detection, built-in effects, programmable rendering pipelin ...

introduction The blogger is a student of grade 2021 Graduate School of computer science at Beijing University of technology. This task is the first major assignment of the course of computer graphics. Because I haven't contacted opengl before, I spent some effort in completing this operation. Because we can't find the code that meets the ...

HDR OpenGL HDR official document content Generally speaking, when stored in the frame buffer, the values of brightness and color are limited to 0.0 to 1.0 by default. This seemingly innocent statement makes us always set the brightness and color values within this range, trying to fit the scene. This can run and give good results. But what h ...

Computer graphics to achieve mouse drag primitives Problem description When it is necessary to drag primitives in computer graphics, the key is how to judge whether the mouse is dragging and the movement of the mouse when it is dragged Determines whether the mouse is pressed inside the element or moved inside the elementConfirm the movement ...