X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?p=antikythera;a=blobdiff_plain;f=src%2Fgear.h;h=45a3d13f551f3b8cf0fb73feb3b8eef813e3249e;hp=12d9ba2fe1e4c71b34a4b9da3fb2b94284fb5048;hb=014fccdee30291407985658e8cefd9be7dc9e9fa;hpb=a88a9ac53952e1bb3768b147a043c19392e3d5d1

diff --git a/src/gear.h b/src/gear.h
index 12d9ba2..45a3d13 100644
--- a/src/gear.h
+++ b/src/gear.h
@@ -39,26 +39,31 @@ class Gear {
 private:
 	Mesh *mesh;
 
-	mutable Mat4 xform;
+	mutable Mat4 xform, dir_xform;
+	mutable bool xform_valid;
 	void calc_matrix() const;
 
 	float contour(float u);
 
 public:
+
+	/* TODO hide most of this shit, especially the stuff which invalidate
+	 * the transformation matrices
+	 */
 	std::string name;
-	Vec3 pos, axis;	/* implicitly defines a plane eqn. */
-	float pdist;	/* derived: distance of plane from origin */
+	Vec3 pos, axis;	// implicitly defines a plane eqn.
+	float pdist;	// derived: distance of plane from origin
 
-	float init_angle;	/* initial starting angle */
-	float angle;	/* current angle of the gear */
+	float init_angle;	// initial starting angle
+	float angle;	// current angle of the gear
 
-	int nteeth;		/* number of teeth */
+	int nteeth;		// number of teeth
 
-	float radius;	/* total radius of the gear, including teeth */
-	float teeth_length;	/* how far teeth extend past the radius */
-	float thickness;	/* thickness of the gear along the Z axis */
+	float radius;	// total radius of the gear, including teeth
+	float teeth_length;	// how far teeth extend past the radius
+	float thickness;	// thickness of the gear along the Z axis
 
-	float bevel;	/* bevel size */
+	float bevel;	// bevel size
 
 	std::vector<GearPin> pins;
 	std::vector<GearSlot> slots;
@@ -69,13 +74,25 @@ public:
 	// sets the supplied number of teeth, and calculates the radius
 	// of the gear, to achieve the required tooth pitch
 	void set_teeth(int nt, float tooth_pitch);
+	void set_axis(const Vec3 &axis);
+	void set_position(const Vec3 &pos);
+	const Vec3 &get_position() const;
+	Vec3 get_global_position() const;	// taking parent gear into account
+
+	Vec3 get_planar_position() const;	// 2D pos of gear on its plane
+
+	void set_angle(float angle);
+	float get_angle() const;
 
-	float get_rotation() const;
+	float get_vis_rotation() const;
+	const Mat4 &get_matrix() const;
+	const Mat4 &get_dir_matrix() const;
 
 	// returns the angle (in radians) from one tooth to the next
 	float get_angular_pitch() const;
 
 	void draw() const;
+	void draw_wire(float line_width = 1.0f) const;
 
 	bool gen_mesh();
 };