--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ppe/asteroid.cc	Fri Jan 07 23:19:05 2011 +0900
@@ -0,0 +1,33 @@
+#include "task_base.h"
+#include "task_object.h"
+
+SchedDefineTask1(Asteroid, asteroid_task);
+
+static int
+asteroid_task(SchedTask *smanager, void *rbuf, void *wbuf)
+{
+    int asteroidi = (int)smanager->get_param(0);
+
+    CHARACTER *p = (CHARACTER*)smanager->get_input(rbuf, 0);
+    
+    p->x += p->vx;
+    p->y += p->vy;
+    
+    if (asteroidi > 0) {
+	CHARACTER* asteroiddt = (CHARACTER*)smanager->get_input(rbuf, 1);
+
+	for (int i = 0; i < asteroidi; i++) {
+	    if ((asteroiddt[i].x + 32 > p->x)
+		&& (p->x + 32 > asteroiddt[i].x)
+		&& (asteroiddt[i].y + 32 > p->y)
+		&& (asteroiddt[i].y < p->y + 32)) {
+		p->vx *= -1;
+		p->vy *= -1;
+	    }
+	}
+    }
+    CHARACTER *q = (CHARACTER*)smanager->get_output(wbuf, 0);
+
+    *q = *p;
+    return 0;
+}