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Fog range starts and saturates at twice the declared distance #83

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Fog range starts and saturates at twice the declared distance #83

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5 changes: 3 additions & 2 deletions src/t3d/t3d.c
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Original file line number Diff line number Diff line change
Expand Up @@ -565,8 +565,9 @@ void t3d_fog_set_range(float near, float far) {
}

// @TODO: refactor in the ucode (right now it's offset and then scale)
float scale = 16384.0f / diff;
float offset = -near * 2.0f;
// offset cancels near, scale spans the full s16 over the range
float scale = 32768.0f / diff;
float offset = -near;

scale = fm_floorf(scale);
scale = CLAMP(scale, -32768.0f, 32767.0f);
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