warp-tunnel/src/explosions.c

#include "explosions.h"
#include "images_diffuse.h"
#include "tag.h"

declare_body(frame_killer, {
	size_t frames;
})

declare_tick(frame_killer, {
	if(--self->frames == 0) return 1;
})

declare_draw(frame_killer, { })
declare_head(frame_killer)

void kill_on_frame(entity *ent, size_t frame) {
	frame_killer *fk = c_new(frame_killer);
	fk->frames = frame;
	add_component(ent, fk);
}

entity *laser_explosion(vec pos) {
	entity *ent = ent_new();
	ent->position = vadd(pos, vxy(-4, -5));
	ent->tag = TAG_EXPLOSION;
	
	add_component(ent, get_animator(&sprite_laser_explode, 1));
	kill_on_frame(ent, 5);
	
	return ent;
}

entity *satellite_explosion(vec pos) {
	entity *ent = ent_new();
	ent->position = vadd(pos, vxy(-6, 0));
	ent->tag = TAG_EXPLOSION;
	
	add_component(ent, get_animator(&sprite_satellite_bullet_explode, 1));
	kill_on_frame(ent, 6);
	
	return ent;
}

entity *basic_spray_explosion(vec pos) {
	entity *ent = ent_new();
	ent->position = vadd(pos, vxy(-10, 0));
	ent->tag = TAG_EXPLOSION;
	
	add_component(ent, get_animator(&sprite_basic_spray_explode, 1));
	kill_on_frame(ent, 6);
	
	return ent;
}

entity *player_warp_animation() {
	entity *ent = ent_new();
	ent->tag = TAG_WARP;
	
	add_component(ent, get_animator(&sprite_player_ship_warp, 2));
	kill_on_frame(ent, 20 * 2);
	
	return ent;
}