Adds an idea for slash animations that didn't look very good.

src/particle_engine.c

@@ -82,6 +82,24 @@ create_rect_particle(void)
 	return p;
 }
 
+static Particle *
+create_line_particle(void)
+{
+	Particle *p = ec_malloc(sizeof(Particle));
+
+	p->type = LINE;
+	p->velocity = VECTOR2D_NODIR;
+	p->movetime = 100;
+	p->lifetime = 100;
+	p->fixed = false;
+	p->blend_mode = SDL_BLENDMODE_MOD;
+	p->color = C_WHITE;
+	p->particle.line.startPos = (Position) { 0, 0 };
+	p->particle.line.endPos = (Position) { 32, 32 };
+
+	return p;
+}
+
 static void
 check_engine(void)
 {
@@ -252,6 +270,24 @@ particle_engine_sparkle(Position pos, Dimension dim)
 	}
 }
 
+void
+particle_engine_slash(Position pos, Dimension dim)
+{
+	Particle *p = create_line_particle();
+	p->particle.line.startPos = pos;
+	p->particle.line.endPos = (Position) {
+		dim.width + pos.x,
+		dim.height + pos.y
+	};
+	p->velocity = (Vector2d) { 0.0, 0.0 };
+	p->movetime = 0.0;
+	p->lifetime = 30;
+	p->blend_mode = SDL_BLENDMODE_BLEND;
+	p->color = C_WHITE;
+	p->fixed = false;
+	linkedlist_append(&engine->global_particles, p);
+}
+
 void
 particle_engine_wind(Vector2d direction)
 {

src/particle_engine.h

@@ -55,6 +55,9 @@ particle_engine_render_game(Camera*);
 void
 particle_engine_render_global(Camera*);
 
+void
+particle_engine_slash(Position, Dimension);
+
 void
 particle_engine_clear(void);
 

src/player.c

@@ -143,6 +143,13 @@ has_collided(Player *player, RoomMatrix *matrix, Vector2d direction)
 			player->stat_data.misses += 1;
 		}
 
+		particle_engine_slash((Position) {
+				      player->sprite->pos.x + ((int) direction.x * 32),
+				      player->sprite->pos.y + ((int) direction.y * 32)
+				      }, (Dimension) {
+				      32, 32
+				      });
+
 		player_monster_kill_check(player, space->monster);
 
 		action_spent(player);