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Fix distance calculation

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This commit is contained in:
Kp 2015-02-18 03:43:51 +00:00
parent f900d4a5ee
commit 5c476ddcc3
1 changed files with 5 additions and 4 deletions
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9
similar/main/ai.cpp
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@ -24,8 +24,8 @@ COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
*/
#include <algorithm>
#include <cstdlib>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include "inferno.h"
@ -1126,10 +1126,11 @@ static void ai_fire_laser_at_player(const vobjptridx_t obj, const vms_vector &fi
// Note: If the robot fires in the direction of its forward vector, this is bad because the weapon does not
// come out from the center of the robot; it comes out from the side. So it is common for the weapon to miss
// its target. Ideally, we want to point the guns at the player. For now, just fire right at the player.
if ((abs(player_direction_vector.x < 0x10000)) && (abs(player_direction_vector.y < 0x10000)) && (abs(player_direction_vector.z < 0x10000))) {
if (std::abs(player_direction_vector.x) < 0x10000 &&
std::abs(player_direction_vector.y) < 0x10000 &&
std::abs(player_direction_vector.z) < 0x10000)
{
vm_vec_normalized_dir_quick(fire_vec, bpp_diff, fire_point);
// Player is moving. Determine where the player will be at the end of the next frame if he doesn't change his
// behavior. Fire at exactly that point. This isn't exactly what you want because it will probably take the laser
// a different amount of time to get there, since it will probably be a different distance from the player.