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Some quake improvements

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- Use easing functions for quake intensity
- Camera distance takes Z height into account
This commit is contained in:
Sally Coolatta 2023-08-21 02:14:25 -04:00
parent d0b16f2025
commit 2230c855ae
1 changed files with 8 additions and 4 deletions
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12
src/p_spec.c
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@ -47,6 +47,7 @@
#include "k_respawn.h"
#include "k_terrain.h"
#include "acs/interface.h"
#include "m_easing.h"
#ifdef HW3SOUND
#include "hardware/hw3sound.h"
@ -9411,17 +9412,20 @@ void P_DoQuakeOffset(UINT8 view, mappoint_t *viewPos, mappoint_t *offset)
ir = quake->intensity;
// Modulate with time remaining.
ir = FixedMul(ir, 2 * FRACUNIT * (quake->time + 1) / quake->startTime);
ir = Easing_InOutSine(FRACUNIT * (quake->time + 1) / quake->startTime, ir, 0);
// Modulate with distance from epicenter, if it exists.
if (quake->radius > 0 && quake->epicenter != NULL)
{
fixed_t epidist = P_AproxDistance(
viewPos->x - quake->epicenter->x,
viewPos->y - quake->epicenter->y
P_AproxDistance(
viewPos->x - quake->epicenter->x,
viewPos->y - quake->epicenter->y
),
viewPos->z - quake->epicenter->z
);
ir = FixedMul(ir, FixedDiv(max(0, quake->radius - epidist), quake->radius));
ir = Easing_InOutSine(min(FRACUNIT, FixedDiv(epidist, quake->radius)), ir, 0);
}
addZ += ir;