monxa
/ godot_uv_scale_inverse.txt
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November 6, 2023 13:28
inverse uv scaling for compressed mesh data in godot 4.2
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| // Adjusts UV and UV2 vectors based on provided uv_scale | |
| void adjust_uv_scale(input_data &input, godot::Vector4 uv_scale) { | |
| // If the uv_scale is an empty/default vector, no adjustment is necessary. | |
| if (uv_scale == godot::Vector4()) | |
| return; | |
| // Adjust UV coordinates | |
| for (auto &uv : input.uvs) { | |
| // The UV is shifted from a [0.5,1] range to [0,0.5] and then scaled according to the uv_scale.x and uv_scale.y. | |
| // see: godot/servers/rendering_server.cpp:718 (line number might change obviously) |