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Fix collision

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It works now! How great
This commit is contained in:
Edgaru089 2024-03-05 10:42:17 +08:00
parent e1afbdac3e
commit 08d4580651
5 changed files with 27 additions and 8 deletions
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14
App.c
View File

@ -9,7 +9,7 @@
#include <stdio.h>
static void _app_onHit(Entity *me, Entity *other, Vec2 triedDelta, void *data) {
static void _app_onHitBy(Entity *me, Entity *other, Vec2 triedDelta, void *data) {
fprintf(
stderr,
"[_app_onHit] Entity \"%s\" hit by \"%s\", delta: [%.2lf, %.2lf]\n",
@ -46,7 +46,7 @@ App *app_NewApp() {
hit1->hitbox->box.lefttop = vec2(200, 200);
hit1->hitbox->box.size = vec2(100, 400);
hit1->hitbox->fixed = true;
hit1->hitbox->onHit = &_app_onHit;
hit1->hitbox->onHitBy = &_app_onHitBy;
entity_Commit(app->entity, hit1);
Entity *hit2 = entity_Create(app->entity, "hit2");
@ -54,9 +54,17 @@ App *app_NewApp() {
hit2->hitbox->box.lefttop = vec2(700, 200);
hit2->hitbox->box.size = vec2(100, 400);
hit2->hitbox->fixed = true;
hit2->hitbox->onHit = &_app_onHit;
hit2->hitbox->onHitBy = &_app_onHitBy;
entity_Commit(app->entity, hit2);
Entity *hit3 = entity_Create(app->entity, "hit3");
ADD_COMPONENT(hit3, hitbox, zero_malloc(sizeof(Component_Hitbox)));
hit3->hitbox->box.lefttop = vec2(100, 550);
hit3->hitbox->box.size = vec2(800, 30);
hit3->hitbox->fixed = true;
hit3->hitbox->onHitBy = &_app_onHitBy;
entity_Commit(app->entity, hit3);
return app;
}

2
Physics_Component.h
View File

@ -39,7 +39,7 @@ typedef struct {
Box2 box;
bool fixed;
physics_HitHandler onHit;
physics_HitHandler onHit, onHitBy;
void *onHitData;
} Component_Hitbox;

8
Physics_Move.c
View File

@ -16,6 +16,10 @@ static inline void call_hithandler(Entity *me, Entity *other, Vec2 triedDelta, v
if (me->hitbox->onHit)
me->hitbox->onHit(me, other, triedDelta, data);
}
static inline void call_hitby(Entity *me, Entity *other, Vec2 triedDelta, void *data) {
if (me->hitbox->onHitBy)
me->hitbox->onHitBy(me, other, triedDelta, data);
}
void _physics_MoveX(System_Physics *sys, Entity *e, Duration deltaTime) {
@ -34,14 +38,13 @@ void _physics_MoveX(System_Physics *sys, Entity *e, Duration deltaTime) {
if (box2_Intersects(tohit, box2_OffsetX(mybox, delta), NULL)) {
call_hithandler(e, tohit_comp->super, vec2(delta, 0), e->hitbox->onHitData);
call_hitby(tohit_comp->super, e, vec2(delta, 0), tohit_comp->onHitData);
if (delta > 0) {
// Moves right, hits left edge
fprintf(stderr, "hit left edge");
double maxdelta = tohit.lefttop.x - mybox.lefttop.x - mybox.size.x;
delta = maxdelta - EPS;
} else {
// Moves left, hits right edge
fprintf(stderr, "hit right edge");
double maxdelta = tohit.lefttop.x - mybox.lefttop.x + tohit.size.x;
delta = maxdelta + EPS;
}
@ -72,6 +75,7 @@ void _physics_MoveY(System_Physics *sys, Entity *e, Duration deltaTime) {
if (box2_Intersects(tohit, box2_OffsetY(mybox, delta), NULL)) {
call_hithandler(e, tohit_comp->super, vec2(0, delta), e->hitbox->onHitData);
call_hitby(tohit_comp->super, e, vec2(0, delta), tohit_comp->onHitData);
if (delta > 0) {
// Moves down, hits top edge
double maxdelta = tohit.lefttop.y - mybox.lefttop.y - mybox.size.y;

7
Player_Component.c
View File

@ -62,7 +62,14 @@ void player_Advance(System_Player *sys, Duration deltaTime) {
if (input_IsPressed(input->keys[input_Key_Right]))
targetVecX += walkSpeed;
double targetVecY = 0.0;
if (input_IsPressed(input->keys[input_Key_Up]))
targetVecY += -walkSpeed;
if (input_IsPressed(input->keys[input_Key_Down]))
targetVecY += walkSpeed;
sys->player->super->position->velocity.x = targetVecX;
sys->player->super->position->velocity.y = targetVecY;
if (sys->player->onGround)
sys->player->jumpCount = 0;

4
Types.c
View File

@ -32,8 +32,8 @@ bool box2_Intersects(const Box2 x, const Box2 y, Box2 *out_intersection) {
// Compute the min and max of the first rectangle on both axes
const double r1MinX = dmin(x.lefttop.x, x.lefttop.x + x.size.x);
const double r1MaxX = dmax(x.lefttop.x, x.lefttop.x + x.size.x);
const double r1MinY = dmin(x.lefttop.y, x.lefttop.x + x.size.x);
const double r1MaxY = dmax(x.lefttop.y, x.lefttop.x + x.size.x);
const double r1MinY = dmin(x.lefttop.y, x.lefttop.y + x.size.y);
const double r1MaxY = dmax(x.lefttop.y, x.lefttop.y + x.size.y);
// Compute the min and max of the second rectangle on both axes
const double r2MinX = dmin(y.lefttop.x, y.lefttop.x + y.size.x);