doylet/feely_pona
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fp: Simplify attack push-back to push from side of attack

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doyle 2023-09-18 23:35:29 +10:00
parent 12e6e5d6f1
commit d2d4f3cfa7
1 changed files with 22 additions and 23 deletions
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27
feely_pona.cpp
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@ -627,35 +627,34 @@ void FP_GameUpdate(TELY_Platform *platform, FP_Game *game, TELY_Renderer *render
FP_GameEntity *attacker = attacker_it.entity; FP_GameEntity *attacker = attacker_it.entity;
// NOTE: Resolve attack boxes // NOTE: Resolve attack boxes
if (Dqn_V2_Area(attacker->attack_box_size)) { if (!Dqn_V2_Area(attacker->attack_box_size))
continue;
Dqn_Rect attacker_box = FP_Game_CalcEntityAttackWorldHitBox(game, attacker->handle); Dqn_Rect attacker_box = FP_Game_CalcEntityAttackWorldHitBox(game, attacker->handle);
Dqn_V2 attacker_world_pos = FP_Game_CalcEntityWorldPos(game, attacker->handle);
for (FP_GameEntityIterator defender_it = {}; FP_Game_DFSPostOrderWalkEntityTree(game, &defender_it, game->root_entity); ) { for (FP_GameEntityIterator defender_it = {}; FP_Game_DFSPostOrderWalkEntityTree(game, &defender_it, game->root_entity); ) {
FP_GameEntity *defender = defender_it.entity; FP_GameEntity *defender = defender_it.entity;
if (defender->handle == attacker->handle) if (defender->handle == attacker->handle)
continue; continue;
Dqn_Rect defender_box = FP_Game_CalcEntityWorldHitBox(game, defender->handle); Dqn_Rect defender_box = FP_Game_CalcEntityWorldHitBox(game, defender->handle);
Dqn_Rect hit_rect = Dqn_Rect_Intersection(attacker_box, defender_box); if (!Dqn_Rect_Intersects(attacker_box, defender_box))
if (!Dqn_Rect_Area(hit_rect))
continue; continue;
TELY_Render_CircleColourV4(renderer, hit_rect.pos, 10.f, TELY_RenderShapeMode_Fill, TELY_COLOUR_MAGENTA_V4); Dqn_V2 defender_world_pos = Dqn_Rect_Center(defender_box);
Dqn_V2 attacker_center_pos = Dqn_Rect_Center(attacker_box); Dqn_V2 attack_dir_vector = {};
Dqn_V2 defender_center_pos = Dqn_Rect_Center(defender_box); if (attacker_world_pos.x < defender_world_pos.x)
Dqn_V2 attacker_to_defender = defender_center_pos - attacker_center_pos; attack_dir_vector.x = 1.f;
Dqn_V2 attacker_to_defender_norm = Dqn_V2_Normalise(attacker_to_defender); else
attack_dir_vector.x = -1.f;
TELY_Render_LineColourV4(renderer, defender_center_pos, defender_center_pos + (attacker_to_defender_norm * 100.f), TELY_COLOUR_RED_V4, 3.f); Dqn_V2 acceleration = attack_dir_vector * 500000.f;
Dqn_V2 acceleration = attacker_to_defender_norm * 10000000.f;
Dqn_f32 t = DQN_CAST(Dqn_f32)DQN_SQUARED(input->delta_s); Dqn_f32 t = DQN_CAST(Dqn_f32)DQN_SQUARED(input->delta_s);
Dqn_f32 t_squared = DQN_SQUARED(t); Dqn_f32 t_squared = DQN_SQUARED(t);
Dqn_V2 delta_p = (acceleration * 0.5f * t_squared) + (defender->velocity * t); Dqn_V2 delta_p = (acceleration * 0.5f * t_squared) + (defender->velocity * t);
defender->velocity = (acceleration * t) + defender->velocity * 2.0f; defender->velocity = (acceleration * t) + defender->velocity * 2.0f;
defender->local_pos += delta_p;
}
} }
} }
} }