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Continue projectiles

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This commit is contained in:
Miloslav Číž 2019-10-21 15:21:22 +02:00
parent e2d157bd09
commit 371093b95d
2 changed files with 64 additions and 2 deletions
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5
constants.h
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@ -66,4 +66,9 @@
*/
#define SFG_AI_RANDOM_CHANGE_PROBABILITY 20
/**
Speed of rocket projectile, in squares per second.
*/
#define SFG_ROCKET_SPEED 16
#endif // guard

61
main.c
View File

@ -149,6 +149,14 @@ void SFG_init();
#define SFG_PLAYER_MOVE_UNITS_PER_FRAME 1
#endif
#define SFG_ROCKER_MOVE_UNITS_PER_FRAME \
((SFG_ROCKET_SPEED * RCL_UNITS_PER_SQUARE) / SFG_FPS)
#if SFG_ROCKER_MOVE_UNITS_PER_FRAME == 0
#define SFG_ROCKER_MOVE_UNITS_PER_FRAME 1
#endif
#define SFG_GRAVITY_SPEED_INCREASE_PER_FRAME \
((SFG_GRAVITY_ACCELERATION * RCL_UNITS_PER_SQUARE) / (SFG_FPS * SFG_FPS))
@ -1164,8 +1172,11 @@ p.position[0] = SFG_player.camera.position.x;
p.position[1] = SFG_player.camera.position.y;
p.position[2] = SFG_player.camera.height;
p.direction[0] = 1;
p.direction[1] = 0;
RCL_Vector2D dir = RCL_angleToDirection(SFG_player.camera.direction);
p.direction[0] = (dir.x * SFG_ROCKER_MOVE_UNITS_PER_FRAME) / RCL_UNITS_PER_SQUARE;
p.direction[1] = (dir.y * SFG_ROCKER_MOVE_UNITS_PER_FRAME) / RCL_UNITS_PER_SQUARE;
p.direction[2] = 0;
printf("%d\n",SFG_createProjectile(p));
@ -1354,6 +1365,52 @@ printf("%d\n",SFG_createProjectile(p));
SFG_player.squarePosition[1] =
SFG_player.camera.position.y / RCL_UNITS_PER_SQUARE;
// update projectiles:
for (int8_t i = 0; i < SFG_currentLevel.projectileRecordCount; ++i)
{
SFG_ProjectileRecord *p = &(SFG_currentLevel.projectileRecords[i]);
RCL_Unit pos[3]; // we have to convert from uint16_t because under/overflows
uint8_t collides = 0;
for (uint8_t i = 0; i < 3; ++i)
{
pos[i] = p->position[i];
pos[i] += p->direction[i];
if (
(pos[i] < 0) ||
(pos[i] >= (SFG_MAP_SIZE * RCL_UNITS_PER_SQUARE)))
{
collides = 1;
break;
}
}
if (collides)
{
SFG_LOG("projectile collides");
// remove the projectile
for (uint8_t j = i; j < SFG_currentLevel.projectileRecordCount - 1; ++j)
SFG_currentLevel.projectileRecords[j] =
SFG_currentLevel.projectileRecords[j + 1];
SFG_currentLevel.projectileRecordCount--;
i--;
}
else
{
p->position[0] = pos[0];
p->position[1] = pos[1];
p->position[2] = pos[2];
}
}
// handle door:
if (SFG_currentLevel.doorRecordCount > 0) // has to be here