mod: fix the formulas in BG_EvaluateTrajectoryDelta() - patch by

zittrig-4/dev/humancontroller
etlegacy · Jan 10, 2019 · c9046e1 · c9046e1
1 parent d78d562
commit c9046e1
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/src/game/bg_misc.c b/src/game/bg_misc.c
@@ -3025,7 +3025,7 @@ void BG_EvaluateTrajectory(const trajectory_t *tr, int atTime, vec3_t result, qb
 		break;
 	case TR_SINE:
 		deltaTime = (atTime - tr->trTime) / (float) tr->trDuration;
-		phase     = sin(deltaTime * M_PI * 2);
+		phase     = sin(deltaTime * M_TAU_F);
 		VectorMA(tr->trBase, phase, tr->trDelta, result);
 		break;
 	case TR_LINEAR_STOP:
@@ -3320,12 +3320,12 @@ void BG_EvaluateTrajectoryDelta(const trajectory_t *tr, int atTime, vec3_t resul
 		break;
 	case TR_SINE:
 		deltaTime = (atTime - tr->trTime) / (float) tr->trDuration;
-		phase     = cos(deltaTime * M_PI * 2);     // derivative of sin = cos
+		phase     = cos(deltaTime *  M_PI * 2);     // derivative of sin = cos
-		phase    *= 0.5;
+		phase    *=  M_PI * 2 * 1000 / (float)tr->trDuration;
 		VectorScale(tr->trDelta, phase, result);
 		break;
 	case TR_LINEAR_STOP:
-		if (atTime > tr->trTime + tr->trDuration)
+		if (atTime > tr->trTime + tr->trDuration || atTime < tr->trTime)
 		{
 			VectorClear(result);
 			return;