1 files changed, 85 insertions, 0 deletions
diff --git a/src/game/ship.cc b/src/game/ship.cc
new file mode 100644
index 0000000..a24be0d
--- /dev/null
+++ b/src/game/ship.cc
@@ -0,0 +1,85 @@
+/* 	ship.cc
+	This file is part of the Osirion project
+*/
+
+// C++ headers
+#include <iostream>
+
+// project headers
+#include "common/functions.h"
+#include "common/osirion.h"
+
+#include "ship.h"
+
+Ship::Ship()
+{
+	speed = 0;
+	yaw = 0;
+	yaw_offset = 0;
+
+	thrust = 0;
+	
+	// ship specs
+	acceleration = 6 * GAMESCALE;
+	max_speed = 16.0f * GAMESCALE;
+	
+	max_yaw_offset = 45;
+	yaw_speed = 4;
+}
+
+Ship::~Ship() 
+{
+}
+
+void Ship::update(float elapsed) 
+{
+	// update yaw
+	float d = yaw_speed * elapsed * yaw_offset;
+	yaw_offset -= d;
+	yaw +=d;
+
+	// update thrust
+	if (speed < thrust * max_speed) {
+		speed += acceleration * elapsed;
+		if (speed > thrust * max_speed) {
+			speed = thrust * max_speed;
+		}
+	} else if(speed > thrust * max_speed) {
+		speed -= acceleration * elapsed;
+		if (speed < 0) speed = 0;
+	}
+
+	// location TODO avoid sin/cos calculations
+	location.x += cosf(yaw * M_PI / 180) * speed * elapsed;
+	location.z -= sinf(yaw * M_PI / 180) * speed * elapsed;
+}
+
+
+void Ship::thrust_increase()
+{
+	thrust += 0.05;
+	if (thrust > 1) thrust = 1;
+}
+
+void Ship::thrust_decrease()
+{
+	thrust -= 0.08;
+	if (thrust < 0) thrust = 0;
+}
+
+void Ship::turn_left() 
+{
+	//yaw = degreesf(yaw + 2);
+	yaw_offset += 2;
+	if (yaw_offset > max_yaw_offset)
+		yaw_offset = max_yaw_offset;
+}
+
+void Ship::turn_right() 
+{
+	//yaw = degreesf(yaw - 2);
+	yaw_offset -= 2;
+	if (yaw_offset < -max_yaw_offset)
+		yaw_offset = - max_yaw_offset;
+}
+