iteração de física

1 files changed, 30 insertions, 13 deletions

diff --git a/game.c b/game.c
index a44b0cf..2d64f78 100644
--- a/game.c
+++ b/game.c
@@ -6,7 +6,7 @@
 
 #include "dat.h"
 
-#define SPEED 250
+#define SPEED 100
 
 static EntityCollisionProc bulletcollproc;
 static EntityCollisionProc ghostcollproc;
@@ -25,6 +25,8 @@ static EntityUpdateProc *updateprocs[LASTEntity] = {
 	[EBULLET] = bulletproc,
 };
 
+static void physics(float delta);
+
 Entity entitybuffer[2048];
 int    ebufi;
 
@@ -57,18 +59,7 @@ entinit()
 void
 entupdate(float delta)
 {
-	EntityCollision *coll;
-	while((coll = deqcoll())) {
-		Entity *self = coll->self;
-		Entity *target = coll->target;
-
-		if(collisionProcs[self->type])
-			collisionProcs[self->type](self, target);
-
-		if(collisionProcs[target->type])
-			collisionProcs[target->type](target, self);
-	}
-
+	physics(delta);
 	for(int ei = 0; ei < ebufi; ei++) {
 		Entity *e = entitybuffer + ei;
 		if(!e->active)
@@ -227,3 +218,29 @@ freeentity(Entity *e)
 {
 	e->active = false;
 }
+
+void
+physics(float delta)
+{
+	#define PHYSICS_TIME (1.0 / 480.0)
+
+	EntityCollision *coll;
+
+	static float time = 0;
+
+	time += delta;
+	while(time >= PHYSICS_TIME) {
+		entphysics(PHYSICS_TIME);
+		while((coll = deqcoll())) {
+			Entity *self = coll->self;
+			Entity *target = coll->target;
+
+			if(collisionProcs[self->type])
+				collisionProcs[self->type](self, target);
+
+			if(collisionProcs[target->type])
+				collisionProcs[target->type](target, self);
+		}
+		time -= PHYSICS_TIME;
+	}
+}