public static void draw_text(Vector2D p, string text, Color c)
{
if(text.Length < 1 || _text_writer == null)
return;
_text_writer.Clear();
_text_writer.AddLine(text, new PointF((float)p.x, (float)p.y), new SolidBrush(c));
_text_writer.Draw();
}
private static void internal_check_nearest(Vector2D from, Vector2D to, int ragdoll_index)
{
if(_nearest_point == null || from.length_to_vector(to) < _nearest_point.length_to_vector(to))
{
_nearest_point = from;
_index = ragdoll_index;
}
}
public static void draw_line(Vector2D vec_1, Vector2D vec_2, Color c, float width)
{
// Configure line
GL.LineWidth(width);
GL.Color3(c);
// Draw line
GL.Begin(PrimitiveType.Lines);
GL.Vertex2(vec_1.x, vec_1.y); // line start
GL.Vertex2(vec_2.x, vec_2.y); // line end
GL.End();
}
public static void draw_point(Vector2D vec, Color c, float size)
{
// Configure point
GL.Enable(EnableCap.PointSmooth);
GL.PointSize(size);
// Draw point
GL.Begin(PrimitiveType.Points);
GL.Color3(c);
GL.Vertex2(vec.x, vec.y);
GL.End();
}
public static void draw_triangle(Vector2D[] vertices, Color c)
{
if(vertices.Length <3)
return;
GL.Begin(PrimitiveType.Triangles);
GL.Color3(c);
GL.Vertex2(vertices[0].x, vertices[0].y);
GL.Vertex2(vertices[1].x, vertices[1].y);
GL.Vertex2(vertices[2].x, vertices[2].y);
GL.End();
}
private void accum_forces()
{
Random rand = new Random();
int NUM_POINTS = _snow_curr.Length;
for(int i = 0; i < NUM_POINTS; ++i)
{
_forces[i] = _gravity;
double x = rand.Next(-100, 100) * 0.01;
double y = rand.Next(-100, 100) * 0.01;
_forces[i] += new Vector2D(x, y);
}
}
public static void check_nearest(List<Skeleton> skeletons, Vector2D to)
{
if(!_busy)
{
foreach(Skeleton skeleton in skeletons)
{
Vector2D[] points = skeleton.points;
for(int i = 0; i < points.Length; ++i)
{
internal_check_nearest(points[i], to, skeleton.index);
}
}
}
_busy = true;
}
private void handle_outside()
{
Random rand = new Random();
int NUM_POINTS = _snow_curr.Length;
for(int i = 0; i < NUM_POINTS; ++i)
{
if(_snow_curr[i].y > 720 + 2 * _radius[i])
{
_snow_old[i] = _snow_curr[i] = new Vector2D(rand.Next(20, 1270), -rand.Next(20, 100));
}
}
}
public Vector2D(Vector2D vector)
{
_x = vector.x;
_y = vector.y;
}
public static Vector2D min(Vector2D left, Vector2D right)
{
Vector2D final = new Vector2D();
final.x = (left.x < right.x) ? left.x : right.x;
final.y = (left.y < right.y) ? left.y : right.y;
return final;
}
// Calculate force when draging around skeleton with mouse
public void mouse_force(Vector2D mouse_position)
{
internal_mouse_force(mouse_position);
}
public double length_to_vector(Vector2D vector)
{
Vector2D final = this - vector;
return final.length();
}
private void internal_draw(Vector2D mouse)
{
if(_climbing_mode)
{
internal_draw_grips();
}
if(_graphics)
{
internal_draw_body(mouse);
}
if(_debug_bones)
{
internal_draw_joints();
internal_draw_points();
}
if(_debug_forces)
{
internal_draw_forces();
}
}
private void internal_add_force(Vector2D force, int index)
{
Force my_force = new Force();
my_force._force = force;
my_force._index = index;
_add_forces.Enqueue(my_force);
}
private void internal_draw_body(Vector2D mouse)
{
// Hands
GraphicsManager.draw_point(_pos[7]._pos, Color.Khaki, 20);
GraphicsManager.draw_point(_pos[8]._pos, Color.Khaki, 20);
// Head
GraphicsManager.draw_point(_pos[0]._pos, Color.Khaki, 50);
int neck_width = 10;
// Neck
GraphicsManager.draw_line(_pos[0]._pos, _pos[1]._pos, Color.Khaki, neck_width);
Vector2D moues_dir = mouse - _pos[0]._pos;
Vector2D dir = _pos[1]._pos - _pos[0]._pos;
Vector2D perp_vec = new Vector2D(dir.y, dir.x * -1);
moues_dir.normalize();
dir.normalize();
perp_vec.normalize();
Vector2D left_eye = _pos[0]._pos + perp_vec * 10;
Vector2D right_eye = _pos[0]._pos + perp_vec * -10;
// Christmas headpiece
if(_christmas)
{
Vector2D[] hat_points = new Vector2D[3];
hat_points[0] = _pos[0]._pos + perp_vec * 20 + dir * -15;
hat_points[1] = _pos[0]._pos + perp_vec * -20 + dir * -15;
hat_points[2] = _pos[0]._pos + dir * -60;
GraphicsManager.draw_triangle(hat_points, Color.Red);
GraphicsManager.draw_point(hat_points[2], Color.White, 20);
GraphicsManager.draw_line(hat_points[0], hat_points[1], Color.White, 10);
}
// Eyes
GraphicsManager.draw_point(left_eye, Color.White, 20);
GraphicsManager.draw_point(right_eye, Color.White, 20);
GraphicsManager.draw_point(left_eye + moues_dir * 4, Color.Black, 10);
GraphicsManager.draw_point(right_eye + moues_dir * 4, Color.Black, 10);
Vector2D mouth_left = _pos[0]._pos + (perp_vec * -10) + dir * 15;
Vector2D mouth_right = _pos[0]._pos + (perp_vec * 10) + dir * 15;
// Mouth
GraphicsManager.draw_line(mouth_left, mouth_right, Color.Black, 2);
int arm_width = 10;
// Left upper arm
GraphicsManager.draw_line(_pos[3]._pos, _pos[6]._pos, Color.Black, arm_width);
// Right upper arm
GraphicsManager.draw_line(_pos[2]._pos, _pos[5]._pos, Color.Black, arm_width);
// Left lower arm
GraphicsManager.draw_line(_pos[6]._pos, _pos[8]._pos, Color.Black, arm_width);
// Right lower arm
GraphicsManager.draw_line(_pos[5]._pos, _pos[7]._pos, Color.Black, arm_width);
// Waist
GraphicsManager.draw_line(_pos[11]._pos, _pos[12]._pos, Color.Red, arm_width);
int leg_width = 10;
// Left upper leg
GraphicsManager.draw_line(_pos[12]._pos, _pos[14]._pos, Color.Red, leg_width);
// Right upper leg
GraphicsManager.draw_line(_pos[11]._pos, _pos[13]._pos, Color.Red, leg_width);
// Left lower leg
GraphicsManager.draw_line(_pos[14]._pos, _pos[9]._pos, Color.Red, leg_width);
// Right lower leg
GraphicsManager.draw_line(_pos[13]._pos, _pos[15]._pos, Color.Red, leg_width);
// Feets
GraphicsManager.draw_point(_pos[9]._pos, Color.Khaki, 20);
GraphicsManager.draw_point(_pos[15]._pos, Color.Khaki, 20);
// Torso
Vector2D[] left = new Vector2D[3];
Vector2D[] middle = new Vector2D[3];
Vector2D[] right = new Vector2D[3];
left[0] = _pos[1]._pos;
left[1] = _pos[2]._pos;
left[2] = _pos[11]._pos;
middle[0] = _pos[11]._pos;
middle[1] = _pos[12]._pos;
middle[2] = _pos[1]._pos;
right[0] = _pos[12]._pos;
right[1] = _pos[3]._pos;
right[2] = _pos[1]._pos;
GraphicsManager.draw_triangle(left, Color.Black);
GraphicsManager.draw_triangle(middle, Color.Black);
GraphicsManager.draw_triangle(right, Color.Black);
}
// Draw the skeleton
public void draw(Vector2D mouse)
{
internal_draw(mouse);
}
public static void release_check()
{
_busy = false;
_nearest_point = null;
_index = -1;
}
private void internal_generate_climbing_points()
{
Random rand = new Random();
for(int i = 0; i < _grips.Length; ++i)
{
// Generate grips inside screenspace
_grips[i] = new Vector2D(rand.Next(0, 1280), rand.Next(0, 720));
_grip_radius[i] = rand.Next(10, 18);
}
}
private void internal_mouse_force(Vector2D mouse_position)
{
if(Nearest.index != _index)
return;
Vector2D force = new Vector2D();
// Skip this if mouse button continues to be
// down.
// This works as locking to nearest point
// at first frame whem mouse button was down
if(!_lock_point)
{
int POINT_COUNT = _pos.Length;
double nearest_l = 99999999;
// Find closest point to mouse
for(int i = 0; i < POINT_COUNT; ++i)
{
double length = _pos[i]._pos.length_to_vector(mouse_position);
if(length < nearest_l)
{
nearest_l = length;
_mouse_point = i;
}
}
_lock_point = true;
}
// Calculate a vector force between nearest point and mouse
force = mouse_position - _pos[_mouse_point]._pos;
// Register this force in the force queue
internal_add_force(force, _mouse_point);
}
private void init()
{
Random rand = new Random();
int NUM_POINTS = _snow_curr.Length;
for(int i = 0; i < NUM_POINTS; ++i)
{
_snow_curr[i] = new Vector2D(rand.Next(20, 1270), -rand.Next(50, 2020));
_snow_old[i] = _snow_curr[i];
double r = rand.Next(20, 60) * 0.1;
_radius[i] = r;
}
}
// Add force on a point in skeleton
public void add_force(Vector2D force, int index)
{
internal_add_force(force, index);
}