public static void DrawCylinder(
this OpenGL gl,
float radius,
float height,
bool covered = false,
int partsCount = 50,
bool withEdges = false)
{
var center = PointF.Empty;
var contourPoints = GetRegularPolygonPoints(partsCount, center, radius).ToArray();
// Стенки
gl.Draw(BeginMode.Quads, () =>
{
foreach (var(point1, point2) in contourPoints.Pairs())
{
gl.Vertex(point1.X, point1.Y, 0);
gl.Vertex(point1.X, point1.Y, height);
gl.Vertex(point2.X, point2.Y, height);
gl.Vertex(point2.X, point2.Y, 0);
}
}, !withEdges);
public static void DrawParallelepiped(
this OpenGL gl,
Vector3 edges,
bool withEdges = false,
bool textured = false)
{
// грани
gl.Draw(BeginMode.Quads, () =>
{
/*задняя*/
gl.Vertex(0, 0, 0);
gl.Vertex(edges.X, 0, 0);
gl.Vertex(edges.X, edges.Y, 0);
gl.Vertex(0, edges.Y, 0);
/*левая*/
gl.Vertex(0, 0, 0);
gl.Vertex(0, 0, edges.Z);
gl.Vertex(0, edges.Y, edges.Z);
gl.Vertex(0, edges.Y, 0);
/*нижняя*/
gl.Vertex(0, 0, 0);
gl.Vertex(0, 0, edges.Z);
gl.Vertex(edges.X, 0, edges.Z);
gl.Vertex(edges.X, 0, 0);
if (textured)
{
gl.Color(System.Drawing.Color.White);
}
/*верхняя*/
if (textured)
{
gl.TexCoord(0, 0);
}
gl.Vertex(0, edges.Y, 0);
if (textured)
{
gl.TexCoord(1, 0);
}
gl.Vertex(0, edges.Y, edges.Z);
if (textured)
{
gl.TexCoord(1, 1);
}
gl.Vertex(edges.X, edges.Y, edges.Z);
if (textured)
{
gl.TexCoord(0, 1);
}
gl.Vertex(edges.X, edges.Y, 0);
if (textured)
{
gl.Color(currentColor);
}
/*передняя*/
gl.Vertex(0, 0, edges.Z);
gl.Vertex(edges.X, 0, edges.Z);
gl.Vertex(edges.X, edges.Y, edges.Z);
gl.Vertex(0, edges.Y, edges.Z);
/*правая*/
gl.Vertex(edges.X, 0, 0);
gl.Vertex(edges.X, 0, edges.Z);
gl.Vertex(edges.X, edges.Y, edges.Z);
gl.Vertex(edges.X, edges.Y, 0);
}, !withEdges);
}
private static void DrawCabinet(OpenGL gl)
{
// середина (кабина)
gl.DoTranslate(-BumperLength, 0, BaseWidth / 2f, true);
// передняя и задняя наклонные
gl.Repeat(() =>
{
gl.Draw(BeginMode.Polygon, () =>
{
gl.Vertex(Vector3.UnitZ * (-CabinetBottomWidth / 2));
gl.Vertex(Vector3.UnitZ * (CabinetBottomWidth / 2));
gl.Vertex(-CabinetSlopeLength, CabinetHeight, CabinetTopWidth / 2);
gl.Vertex(-CabinetSlopeLength, CabinetHeight, -CabinetTopWidth / 2);
});
}, 2, Vector3.UnitX * -BaseLength, Vector3.UnitY * 180);
// боковые наклонные
var zDiff = 1;
gl.Repeat(() =>
{
gl.Draw(BeginMode.Polygon, () =>
{
gl.Vertex(Vector3.UnitZ * (CabinetBottomWidth / 2 * zDiff));
gl.Vertex(-BaseLength, 0, CabinetBottomWidth / 2 * zDiff);
gl.Vertex(-(BaseLength - CabinetSlopeLength), CabinetHeight, CabinetTopWidth / 2 * zDiff);
gl.Vertex(-CabinetSlopeLength, CabinetHeight, CabinetTopWidth / 2 * zDiff);
});
zDiff = -1;
}, 2, Vector3.Zero, Vector3.Zero);
// крышка
gl.Draw(BeginMode.Polygon, () =>
{
gl.Vertex(-CabinetSlopeLength, CabinetHeight, CabinetTopWidth / 2);
gl.Vertex(-(BaseLength - CabinetSlopeLength), CabinetHeight, CabinetTopWidth / 2);
gl.Vertex(-(BaseLength - CabinetSlopeLength), CabinetHeight, -CabinetTopWidth / 2);
gl.Vertex(-CabinetSlopeLength, CabinetHeight, -CabinetTopWidth / 2);
});
// задние коробки
gl.DoTranslate(-(BaseLength + 0.8f), 0, CabinetBottomWidth / 2, true);
gl.Repeat(() =>
{
gl.DrawParallelepiped(new Vector3(BackBoxLength, BackBoxHalfHeight, -BackBoxWidth), true);
gl.DoTranslate(Vector3.UnitY * BackBoxHalfHeight, true);
gl.DrawParallelepiped(new Vector3(BackBoxTopLength, BackBoxTopHeight, -BackBoxWidth), true);
gl.DoTranslate(Vector3.UnitX * BackBoxTopLength, true);
gl.Repeat(() =>
{
gl.Draw(BeginMode.Polygon, () =>
{
gl.Vertex(Vector3.Zero);
gl.Vertex(Vector3.UnitY * BackBoxTopHeight);
gl.Vertex(Vector3.UnitX * (BackBoxLength - BackBoxTopLength));
});
}, 2, Vector3.UnitZ * -BackBoxWidth, Vector3.Zero);
gl.Draw(BeginMode.Polygon, () =>
{
gl.Vertex(Vector3.UnitY * BackBoxTopHeight);
gl.Vertex(0, BackBoxTopHeight, -BackBoxWidth);
gl.Vertex(BackBoxLength - BackBoxTopLength, 0, -BackBoxWidth);
gl.Vertex(BackBoxLength - BackBoxTopLength, 0, 0);
});
gl.UndoTranslation(2);
}, 2, Vector3.UnitZ * -(CabinetBottomWidth - BackBoxWidth), Vector3.Zero);
gl.UndoTranslation();
}
private static void DrawTurret(OpenGL gl, Texture hatchTexture)
{
gl.DoTranslate(-CabinetSlopeLength - 6, CabinetHeight, 0, true);
// основа башни
gl.Rotate(Vector3.UnitX * -90, true);
gl.DrawCylinder(TurretBaseRadius, TurretBaseHeight, partsCount: 10, withEdges: true);
gl.UndoRotation();
// башня
gl.DoTranslate(Vector3.UnitY * TurretBaseHeight, true);
gl.Repeat(() =>
{
// боковая средняя пластина
gl.Draw(BeginMode.Polygon, () =>
{
gl.Vertex(TurretMiddleWidth, 0, TurretBottomMiddleWidth / 2);
gl.Vertex(-TurretMiddleWidth, 0, TurretBottomMiddleWidth / 2);
gl.Vertex(-TurretMiddleWidth, TurretHeight, TurretTopMiddleWidth / 2);
gl.Vertex(TurretMiddleWidth, TurretHeight, TurretTopMiddleWidth / 2);
});
// боковая передняя пластина
gl.Draw(BeginMode.Polygon, () =>
{
gl.Vertex(TurretMiddleWidth, 0, TurretBottomMiddleWidth / 2);
gl.Vertex(TurretMiddleWidth, TurretHeight, TurretTopMiddleWidth / 2);
gl.Vertex(TurretLength, TurretHeight, TurretTopFrontWidth / 2);
gl.Vertex(TurretLength, 0, TurretBottomFrontWidth / 2);
});
// боковая задняя пластина
gl.Draw(BeginMode.Polygon, () =>
{
gl.Vertex(-TurretMiddleWidth, 0, TurretBottomMiddleWidth / 2);
gl.Vertex(-TurretLength, 0, TurretBottomFrontWidth / 2);
gl.Vertex(-TurretLength, TurretHeight, TurretTopFrontWidth / 2);
gl.Vertex(-TurretMiddleWidth, TurretHeight, TurretTopMiddleWidth / 2);
});
}, 2, Vector3.Zero, Vector3.UnitY * 180);
// передняя пластина
gl.Repeat(() =>
{
gl.Draw(BeginMode.Polygon, () =>
{
gl.Vertex(TurretLength, 0, TurretBottomFrontWidth / 2);
gl.Vertex(TurretLength, TurretHeight, TurretTopFrontWidth / 2);
gl.Vertex(TurretLength, TurretHeight, -TurretTopFrontWidth / 2);
gl.Vertex(TurretLength, 0, -TurretBottomFrontWidth / 2);
});
}, 2, Vector3.Zero, Vector3.UnitY * 180);
// крышка
gl.Draw(BeginMode.Polygon, () =>
{
gl.Vertex(TurretLength, TurretHeight, TurretTopFrontWidth / 2);
gl.Vertex(TurretMiddleWidth, TurretHeight, TurretTopMiddleWidth / 2);
gl.Vertex(-TurretMiddleWidth, TurretHeight, TurretTopMiddleWidth / 2);
gl.Vertex(-TurretLength, TurretHeight, TurretTopFrontWidth / 2);
gl.Vertex(-TurretLength, TurretHeight, -TurretTopFrontWidth / 2);
gl.Vertex(-TurretMiddleWidth, TurretHeight, -TurretTopMiddleWidth / 2);
gl.Vertex(TurretMiddleWidth, TurretHeight, -TurretTopMiddleWidth / 2);
gl.Vertex(TurretLength, TurretHeight, -TurretTopFrontWidth / 2);
}, true);
// люк
gl.DoTranslate(-TurretLength / 2, TurretHeight, -TurretTopFrontWidth / 2, true);
DrawHatch(gl, hatchTexture);
gl.UndoTranslation(2);
//основа ствола
gl.DoTranslate(Vector3.UnitX * TurretLength, true);
// нижняя и верхняя пластина
gl.Repeat(() =>
{
gl.Draw(BeginMode.Polygon, () =>
{
gl.Vertex(BarrelBaseLength, 0, BarrelBaseWidth / 2);
gl.Vertex(BarrelBaseLength, 0, -BarrelBaseWidth / 2);
gl.Vertex(0, 0, -BarrelBaseWidth / 2);
gl.Vertex(0, 0, BarrelBaseWidth / 2);
});
}, 2, Vector3.UnitY * BarrelBaseHeight, Vector3.Zero);
//боковые части
gl.Repeat(() =>
{
gl.Draw(BeginMode.Quads, () =>
{
gl.Vertex(Vector3.UnitZ * BarrelBaseWidth / 2);
gl.Vertex(0, BarrelBaseHeight, BarrelBaseWidth / 2);
gl.Vertex(BarrelBaseLength, BarrelBaseHeight, BarrelBaseWidth / 2);
gl.Vertex(BarrelBaseLength, 0, BarrelBaseWidth / 2);
});
}, 2, Vector3.UnitX * BarrelBaseLength, Vector3.UnitY * 180);
// передняя крышка
gl.Draw(BeginMode.Quads, () =>
{
gl.Vertex(BarrelBaseLength, 0, BarrelBaseWidth / 2);
gl.Vertex(BarrelBaseLength, BarrelBaseHeight, BarrelBaseWidth / 2);
gl.Vertex(BarrelBaseLength, BarrelBaseHeight, -BarrelBaseWidth / 2);
gl.Vertex(BarrelBaseLength, 0, -BarrelBaseWidth / 2);
});
// дуло
gl.DoTranslate(BarrelBaseLength, BarrelBaseHeight / 2, 0, true);
gl.Rotate(Vector3.UnitZ * -90, true);
gl.Rotate(Vector3.UnitX * -90, true);
gl.SetColor(Color.DarkSlateGray);
gl.DrawCylinder(BarrelRadius, BarrelLength, partsCount: Roundness);
gl.UndoRotation(2);
}
private static void DrawBase(OpenGL gl)
{
// Основа (низ)
gl.Color(Color.DarkGreen);
gl.DrawParallelepiped(new Vector3(BaseLength, BaseHeight, BaseWidth));
// угловой бампер
gl.DoTranslate(Vector3.UnitX * BaseLength, true);
gl.SetColor(Color.Green);
var plateAngle = (float)(Math.Atan2(BumperMiddleHeight, BumperLength) / Math.PI * 180);
gl.Repeat(() =>
{
//верх и ниж пластины
gl.Repeat(() =>
{
gl.Draw(BeginMode.Polygon, () =>
{
gl.Vertex(Vector3.Zero);
gl.Vertex(BumperLength, BumperMiddleHeight);
gl.Vertex(BumperLength, BumperMiddleHeight, BaseWidth);
gl.Vertex(Vector3.UnitZ * BaseWidth);
});
}, 2, Vector3.UnitY * BaseHeight, Vector3.UnitZ * -plateAngle * 2);
// стенки
gl.Repeat(() =>
{
gl.Draw(BeginMode.Triangles, () =>
{
gl.Vertex(Vector3.Zero);
gl.Vertex(BumperLength, BumperMiddleHeight);
gl.Vertex(Vector3.UnitY * BaseHeight);
});
}, 2, Vector3.UnitZ * BaseWidth, Vector3.Zero);
}, 2, new Vector3(-BaseLength, 0, BaseWidth), Vector3.UnitY * 180);
// крылья
gl.Translate(BumperLength, BaseHeight, 0);
var zDiff = 0f;
gl.Repeat(() =>
{
// верхняя пластина
gl.Draw(BeginMode.Polygon, () =>
{
gl.Vertex(Vector3.Zero);
gl.Vertex(-(BumperLength + BaseLength), 0);
gl.Vertex(-(BumperLength + BaseLength), 0, -WingsWidth);
gl.Vertex(0, 0, -WingsWidth);
});
// передняя наклонная
gl.Draw(BeginMode.Polygon, () =>
{
gl.Vertex(Vector3.Zero);
gl.Vertex(Vector3.UnitZ * -WingsWidth);
gl.Vertex(FrontWingsLength, -FrontWingsHeight, -WingsWidth);
gl.Vertex(FrontWingsLength, -FrontWingsHeight);
});
// задняя наклонная
gl.Draw(BeginMode.Polygon, () =>
{
gl.Vertex(Vector3.Zero);
gl.Vertex(-BumperLength, -BumperMiddleHeight, 0);
gl.Vertex(-BumperLength, -BumperMiddleHeight, -WingsWidth);
gl.Vertex(Vector3.UnitZ * -WingsWidth);
}, Vector3.UnitX * -(BaseLength + BumperLength), Vector3.Zero);
// передние стенки крыльев
gl.Draw(BeginMode.Polygon, () =>
{
gl.Vertex(Vector3.UnitZ * zDiff);
gl.Vertex(FrontWingsLength, -FrontWingsHeight, zDiff);
gl.Vertex(0, -FrontWingsHeight, zDiff);
gl.Vertex(-BumperLength, 0, zDiff);
});
zDiff = -WingsWidth;
}, 2, Vector3.UnitZ * (BaseWidth + WingsWidth), Vector3.Zero);
}