private void Render(object sender, GlControlEventArgs e)
{
if (_shader == null)
{
return;
}
var v = _cameraHelper.CameraMatrix;
_shader.M = v;
_shader.ShadingLevel = 0;
FiguresHelper.Draw3DCross(4, 1);
_shader.ShadingLevel = 1;
_shader.LightPos = new Vector3(1f, 1f, 1f);
var r1 = Matrix4x4.CreateRotationY(Mathf.ToRadian(_phi));
var t = Matrix4x4.CreateTranslation(new Vector3(_radius, 2f, 0f));
var r2 = Matrix4x4.CreateRotationX(Mathf.ToRadian(90)) * Matrix4x4.CreateRotationY(Mathf.ToRadian(90)) * Matrix4x4.CreateRotationZ(Mathf.ToRadian(45));
var scaleM = Matrix4x4.CreateScale(0.2f);
var r3 = Matrix4x4.CreateRotationY(Mathf.ToRadian(-_phi * 10));
var r4 = Matrix4x4.CreateRotationZ(Mathf.ToRadian(25));
var m = r3 * r2 * t * r1 * scaleM * r4;
_shader.M = m * v;
Figure3DHelper.DrawMesh(_boomerang, Colors.Chocolate);
_phi += _step;
}
private void OnMouseMove(object sender, MouseEventArgs e)
{
Control senderControl = (Control)sender;
GetNormalized(e.Location, senderControl, out float newX, out float newY);
if (_isLeftMousePressed)
{
float dx = newX - _prevPoint.X;
float dy = newY - _prevPoint.Y;
ModelMatrix *= Matrix4x4.CreateRotationX(-dy, Vector3.Zero);
ModelMatrix *= Matrix4x4.CreateRotationY(dx, Vector3.Zero);
}
if (_isRightMousePressed)
{
float dx = newX - _prevPoint.X;
float dy = newY - _prevPoint.Y;
float sensitivity = 50.0f;
dx = dx * sensitivity;
dy = dy * sensitivity;
_yaw += dx;
_pitch += dy;
if (_pitch > 89.0f)
{
_pitch = 89.0f;
}
if (_pitch < -89.0f)
{
_pitch = -89.0f;
}
Vector3 newFront;
newFront.X = (float)(Math.Cos(_yaw.ToRadians()) * Math.Cos(_pitch.ToRadians()));
newFront.Y = (float)Math.Sin(_pitch.ToRadians());
newFront.Z = (float)(Math.Sin(_yaw.ToRadians()) * Math.Cos(_pitch.ToRadians()));
_cameraFront = Vector3.Normalize(newFront);
}
_prevPoint.X = newX;
_prevPoint.Y = newY;
}
