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Fix falling through upper floors in multi-story buildings

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Don't snap player down when detected floor is >2 units below current
position. This prevents falling through upper floors when the raycast
accidentally detects the ground floor through geometry gaps.
This commit is contained in:
Kelsi 2026-02-05 17:48:58 -08:00
parent bf6a5ba596
commit e700c19394
1 changed files with 19 additions and 6 deletions
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25
src/rendering/camera_controller.cpp
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@ -535,13 +535,16 @@ void CameraController::update(float deltaTime) {
if (groundH) {
float groundDiff = *groundH - lastGroundZ;
if (std::abs(groundDiff) < 2.0f) {
if (groundDiff > 2.0f) {
// Landing on a higher ledge - snap up
lastGroundZ = *groundH;
} else if (groundDiff > -2.0f) {
// Small height difference - smooth it
lastGroundZ += groundDiff * std::min(1.0f, deltaTime * 15.0f);
} else {
// Large height difference - snap (for falling onto ledges)
lastGroundZ = *groundH;
}
// If groundDiff < -2.0f (floor much lower), ignore it - we're likely
// on an upper floor and detecting ground floor through a gap.
// Let gravity handle actual falls.
if (targetPos.z <= lastGroundZ + 0.1f && verticalVelocity <= 0.0f) {
targetPos.z = lastGroundZ;
@ -836,8 +839,18 @@ void CameraController::update(float deltaTime) {
}
if (groundH) {
lastGroundZ = *groundH;
float groundZ = *groundH + eyeHeight;
float groundDiff = *groundH - lastGroundZ;
if (groundDiff > 2.0f) {
// Landing on a higher ledge - snap up
lastGroundZ = *groundH;
} else if (groundDiff > -2.0f) {
// Small difference - accept it
lastGroundZ = *groundH;
}
// If groundDiff < -2.0f (floor much lower), ignore it - we're likely
// on an upper floor and detecting ground floor through a gap.
float groundZ = lastGroundZ + eyeHeight;
if (newPos.z <= groundZ) {
newPos.z = groundZ;
verticalVelocity = 0.0f;