public void Render(Graphics g)
{
g.DrawString(
"スペースキーで当たり判定表示/非表示\nGキーで重力考慮/無視\nRキーで矩形回転/停止\nスクロールでボール半径変更\nクリックでボール位置移動",
new Font("Ubuntu", 18),
new SolidBrush(Color.FromArgb(128, 30, 30, 30)),
new PointF(20.0f, 20.0f)
);
foreach (RectObject rect in rects)
{
rect.Render(g);
if (view)
{
rect.RenderHitArea(g, ball.Position, ball.Radius);
}
}
ball.Render(g);
PointF pos = mouse;
PointF v = new PointF(
ball.Position.X - mouse.X,
ball.Position.Y - mouse.Y
);
if (!gr)
{
foreach (RectObject rect in rects)
{
if (rect.Hit(mouse, ball.Radius) != 0)
{
(pos, v) = rect.GetReflection(mouse, ball.Position, ball.Radius);
}
}
Pen p = new Pen(Color.FromArgb(255, 255, 0, 0), 3.0f);
g.DrawEllipse(p, pos.X - ball.Radius, pos.Y - ball.Radius, ball.Radius * 2.0f, ball.Radius * 2.0f);
g.DrawLine(p, ball.Position, pos);
g.DrawLine(p, pos, new PointF(pos.X + v.X, pos.Y + v.Y));
}
else
{
EllipseObject ball_ = new EllipseObject(ball.Position, ball.Radius, 0.8f);
ball_.Velocity = new PointF(v.X * -0.1f, v.Y * -0.1f);
ball_.Friction = 0.9f;
PointF pos_ = ball_.Position;
int len = 100;
for (int i = 0; i < len; i++)
{
ball_.Update();
ball_.Acceleration = new PointF(0.0f, 0.7f);
ball_.Friction = 0.99f;
Pen p = new Pen(Color.FromArgb(255 - 255 * i / len, 255, 0, 0), 3.0f);
foreach (RectObject rect in rects)
{
if (rect.Hit(ball_.Position, ball_.Radius) != 0)
{
(ball_.Position, ball_.Velocity) = rect.GetReflection(ball_.Position, pos_, ball_.Radius);
ball.Velocity = new PointF(ball.Velocity.X * 0.9f, ball.Velocity.Y * 0.9f);
g.DrawEllipse(
p, ball_.Position.X - ball_.Radius, ball_.Position.Y - ball_.Radius, ball_.Radius * 2.0f, ball_.Radius * 2.0f
);
}
}
if (ball_.Position.X - ball_.Radius < 0.0f)
{
ball_.Position = new PointF(ball_.Radius, ball_.Position.Y);
}
if (ball_.Position.X + ball_.Radius > size.X)
{
ball_.Position = new PointF(size.X - ball_.Radius, ball_.Position.Y);
}
if (ball_.Position.Y - ball_.Radius < 0.0f)
{
ball_.Position = new PointF(ball_.Position.X, ball_.Radius);
}
if (ball_.Position.Y + ball_.Radius > size.Y)
{
ball_.Position = new PointF(ball_.Position.X, size.Y - ball_.Radius);
}
g.DrawLine(p, pos_, ball_.Position);
pos_ = ball_.Position;
}
}
}
public void Update()
{
frame++;
//foreach (RectObject rect in rects) rect.Update();
for (int i = 0; i < rects.Count() && i < frame * 3; i++)
{
rects[i].Update();
}
foreach (RectObject block in blocks)
{
block.targetRadian += 0.01f;
}
if (finishFlag)
{
foreach (RectObject block in blocks)
{
block.targetSize = new PointF(0.0f, 0.0f);
}
}
if (!startFlag || finishFlag)
{
return;
}
ball.Update();
if (ball.Position.X - ball.Radius < 0.0f)
{
ball.Position = new PointF(ball.Radius, ball.Position.Y);
}
if (ball.Position.X + ball.Radius > size.X)
{
ball.Position = new PointF(size.X - ball.Radius, ball.Position.Y);
}
if (ball.Position.Y - ball.Radius < 0.0f)
{
ball.Position = new PointF(ball.Position.X, ball.Radius);
}
if (ball.Position.Y + ball.Radius > size.Y)
{
ball.Position = new PointF(ball.Position.X, size.Y - ball.Radius);
}
if (enableTarget)
{
ball.Acceleration =
new PointF((target.X - ball.Position.X) * 0.1f, (target.Y - ball.Position.Y) * 0.1f);
ball.Friction = 0.9f;
}
else
{
ball.Acceleration = new PointF(0.0f, 0.7f);
ball.Friction = 0.99f;
}
if (preEnableTarget == true && enableTarget == false)
{
changeTarget--;
}
preEnableTarget = enableTarget;
if (enableTarget)
{
enableTarget = false;
return;
}
for (int i = 0; i < rects.Count(); i++)
{
RectObject rect = rects[i];
if (rect.Hit(ball.Position, ball.Radius) == 0)
{
continue;
}
(PointF pos, PointF v) =
rect.GetReflection(
ball.Position,
new PointF(
ball.Position.X - ball.Velocity.X,
ball.Position.Y - ball.Velocity.Y
),
ball.Radius
);
ball.Position = pos;
ball.Velocity = v;
if (blocks.Contains(rect))
{
rect.Velocity = new PointF(
(rect.Velocity.X - ball.Velocity.X) * 2.0f,
(rect.Velocity.Y - ball.Velocity.Y) * 2.0f
);
rect.color = Color.FromArgb(((int)rect.color.A - 64) < 0 ? 0 : rect.color.A - 64, rect.color.R, rect.color.G, rect.color.B);
if (rect.color.A != 0)
{
sumRect++;
}
}
ball.Velocity = new PointF(
ball.Velocity.X * 0.9f,
ball.Velocity.Y * 0.9f
);
}
if (changeTarget == 0 && Math.Abs(ball.Velocity.X) < 1.0f && Math.Abs(ball.Velocity.Y) < 1.0f && ball.Position.Y >= size.Y - ball.Radius)
{
finishFlag = true;
}
}
public void Update()
{
frame++;
foreach (RectObject rect in rects)
{
rect.Update();
}
if (!r)
{
foreach (RectObject block in blocks)
{
block.targetRadian += 0.01f;
}
}
ball.Update();
if (ball.Position.X - ball.Radius < 0.0f)
{
ball.Position = new PointF(ball.Radius, ball.Position.Y);
}
if (ball.Position.X + ball.Radius > size.X)
{
ball.Position = new PointF(size.X - ball.Radius, ball.Position.Y);
}
if (ball.Position.Y - ball.Radius < 0.0f)
{
ball.Position = new PointF(ball.Position.X, ball.Radius);
}
if (ball.Position.Y + ball.Radius > size.Y)
{
ball.Position = new PointF(ball.Position.X, size.Y - ball.Radius);
}
if (enableTarget)
{
ball.Position = target;
}
if (enableTarget)
{
enableTarget = false;
}
for (int i = 0; i < rects.Count(); i++)
{
RectObject rect = rects[i];
if (rect.Hit(ball.Position, ball.Radius) == 0)
{
continue;
}
(PointF pos, PointF v) =
rect.GetReflection(
ball.Position,
new PointF(
ball.Position.X - ball.Velocity.X,
ball.Position.Y - ball.Velocity.Y
),
ball.Radius
);
ball.Position = pos;
ball.Velocity = v;
ball.Velocity = new PointF(
ball.Velocity.X * 0.9f,
ball.Velocity.Y * 0.9f
);
}
}