Started scene
This commit is contained in:
neauoire
parent
867f563262
commit
564601d3ba
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@ -166,4 +166,10 @@ begin
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Redraw;
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MainLoop;
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end.
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end.
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{ note }
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{ SetPt3D(mypt, x, y, z); }
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{ Identity; }
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{ Yaw(yawangle); }
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{ Transform(mypt, myRotatedPt); }
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@ -77,16 +77,21 @@ program ExampleScene;
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until cursor.h < 0;
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end;
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procedure InitWindow;
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begin
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viewWidth := 500;
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viewHeight := 342;
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padLeft := 60;
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padTop := 60;
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SetRect(drawingRect, padLeft, padTop, padLeft + viewWidth, padTop + viewHeight);
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SetDrawingRect(drawingRect);
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ShowDrawing;
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end;
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begin
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viewWidth := 500;
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viewHeight := 342;
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padLeft := 60;
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padTop := 60;
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SetRect(drawingRect, padLeft, padTop, padLeft + viewWidth, padTop + viewHeight);
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SetDrawingRect(drawingRect);
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ShowDrawing;
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InitWindow;
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InitGrf3D(nil);
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Open3DPort(@myPort3D);
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ViewPort(thePort^.portRect);
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@ -102,6 +107,10 @@ begin
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AddShape3D(scene, @wed1);
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AddShape3D(scene, @pyr1);
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TurnYShape3D(@pyr1);
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MoveShape3D(@pyr1, 100, 0, 0);
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TurnYShape3D(@pyr1);
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Redraw;
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MainLoop;
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@ -2,99 +2,17 @@ unit Graf3DPrimitives;
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interface
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uses
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FixMath, Graf3D;
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FixMath, Graf3D, Graf3DScene;
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type
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Point3DPtr = ^Point3D;
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Link3D = record
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a: Point3DPtr;
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b: Point3DPtr;
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end;
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Face3D = record
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a: Point3DPtr;
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b: Point3DPtr;
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c: Point3DPtr;
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end;
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Shape3D = record
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origin: Point3D;
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length, verticesLength, facesLength: Integer;
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vertices: array[1..9] of Point3D;
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edges: array[1..13] of Link3D;
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faces: array[1..6] of Face3D;
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end;
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Shape3DPtr = ^Shape3D;
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Scene3D = record
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length: Integer;
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shapes: array[1..20] of Shape3DPtr;
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end;
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Scene3DPtr = ^Scene3D;
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procedure AddShape3D (var scene: scene3D; shape: Shape3DPtr);
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procedure MoveShape3D (shape: Shape3DPtr; x, y, z: Fixed);
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procedure TurnShape3D (shape: Shape3DPtr; x, y, z: Fixed);
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procedure SetScene3D (var scene: Scene3D);
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procedure SetLk3D (var lk3D: Link3D; a, b: Point3DPtr);
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procedure SetFc3D (var fc3D: Face3D; a, b, c: Point3DPtr);
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procedure SetBox3D (var shape: Shape3D; x, y, z, w, h, d: Fixed);
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procedure SetWedge3D (var shape: Shape3D; x, y, z, w, h, d, a: Fixed);
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procedure SetPyramid3D (var shape: Shape3D; x, y, z, w, h, d, ax, az: Fixed);
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procedure DrawLink3D (link: Link3D);
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procedure DrawShape3D (shape: Shape3DPtr);
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procedure DrawScene3D (scene: Scene3D);
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implementation
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procedure AddShape3D (var scene: scene3D; shape: Shape3DPtr);
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begin
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scene.length := scene.length + 1;
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scene.shapes[scene.length] := shape;
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end;
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procedure MoveShape3D (shape: Shape3DPtr; x, y, z: Fixed);
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var
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i: Integer;
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begin
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for i := 1 to shape^.verticesLength do
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SetPt3D(shape^.vertices[i], shape^.vertices[i].x + Long2Fix(x), shape^.vertices[i].y + Long2Fix(y), shape^.vertices[i].z + Long2Fix(z));
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end;
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procedure TurnShape3D (shape: Shape3DPtr; x, y, z: Fixed);
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var
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i: Integer;
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begin
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for i := 1 to shape^.verticesLength do
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begin
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{ DO IT }
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end;
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end;
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procedure SetLk3D (var lk3D: Link3D; a, b: Point3DPtr);
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begin
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lk3D.a := a;
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lk3D.b := b;
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end;
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procedure SetFc3D (var fc3D: Face3D; a, b, c: Point3DPtr);
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begin
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fc3D.a := a;
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fc3D.b := b;
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fc3D.c := c;
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end;
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procedure SetScene3D (var scene: Scene3D);
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begin
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scene.length := 0;
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end;
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procedure SetBox3D (var shape: Shape3D; x, y, z, w, h, d: Fixed);
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begin
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SetPt3D(shape.origin, x, y, z);
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SetPt3D(shape.origin, Long2Fix(x), Long2Fix(y), Long2Fix(z));
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SetPt3D(shape.vertices[1], Long2Fix(x + w div 2), Long2Fix(y + h div 2), Long2Fix(z + d div 2));
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SetPt3D(shape.vertices[2], Long2Fix(x + w div 2), Long2Fix(y + h div 2), Long2Fix(z - d div 2));
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SetPt3D(shape.vertices[3], Long2Fix(x - w div 2), Long2Fix(y + h div 2), Long2Fix(z - d div 2));
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@ -124,7 +42,7 @@ implementation
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procedure SetWedge3D (var shape: Shape3D; x, y, z, w, h, d, a: Fixed);
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begin
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SetPt3D(shape.origin, x, y, z);
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SetPt3D(shape.origin, Long2Fix(x), Long2Fix(y), Long2Fix(z));
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SetPt3D(shape.vertices[1], Long2Fix(x + a), Long2Fix(y + h div 2), Long2Fix(z - d div 2));
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SetPt3D(shape.vertices[2], Long2Fix(x + a), Long2Fix(y + h div 2), Long2Fix(z + d div 2));
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SetPt3D(shape.vertices[3], Long2Fix(x + w div 2), Long2Fix(y - h div 2), Long2Fix(z + d div 2));
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@ -149,7 +67,7 @@ implementation
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procedure SetPyramid3D (var shape: Shape3D; x, y, z, w, h, d, ax, az: Fixed);
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begin
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SetPt3D(shape.origin, x, y, z);
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SetPt3D(shape.origin, Long2Fix(x), Long2Fix(y), Long2Fix(z));
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SetPt3D(shape.vertices[1], Long2Fix(x + ax), Long2Fix(y + h div 2), Long2Fix(z + az));
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SetPt3D(shape.vertices[2], Long2Fix(x + w div 2), Long2Fix(y - h div 2), Long2Fix(z + d div 2));
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SetPt3D(shape.vertices[3], Long2Fix(x + w div 2), Long2Fix(y - h div 2), Long2Fix(z - d div 2));
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@ -169,57 +87,4 @@ implementation
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shape.length := 8;
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end;
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procedure DrawWidget (size: Integer);
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begin
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PenPat(black);
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MoveTo3D(Long2Fix(size), 0, 0);
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WriteDraw('x');
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LineTo3D(0, 0, 0);
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LineTo3D(0, Long2Fix(size), 0);
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WriteDraw('y');
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MoveTo3D(0, 0, 0);
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LineTo3D(0, 0, Long2Fix(size));
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WriteDraw('z');
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end;
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procedure DrawLink3D (link: Link3D);
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begin
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MoveTo3D(link.a^.x, link.a^.y, link.a^.z);
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LineTo3D(link.b^.x, link.b^.y, link.b^.z);
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end;
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procedure DrawFace3D (face: Face3D);
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var
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tempRgn: RgnHandle;
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begin
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tempRgn := NewRgn;
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OpenRgn;
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MoveTo3D(face.a^.X, face.a^.Y, face.a^.Z);
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LineTo3D(face.b^.X, face.b^.Y, face.b^.Z);
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LineTo3D(face.c^.X, face.c^.Y, face.c^.Z);
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LineTo3D(face.a^.X, face.a^.Y, face.a^.Z);
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CloseRgn(tempRgn);
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FillRgn(tempRgn, ltgray);
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DisposeRgn(tempRgn);
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end;
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procedure DrawShape3D (shape: Shape3DPtr);
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var
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i: Integer;
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begin
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for i := 1 to shape^.facesLength do
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DrawFace3D(shape^.faces[i]);
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for i := 1 to shape^.length do
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DrawLink3D(shape^.edges[i]);
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end;
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procedure DrawScene3D (scene: Scene3D);
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var
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i: Integer;
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begin
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for i := 1 to scene.length do
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DrawShape3D(scene.shapes[i]);
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{ DrawWidget(50); }
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end;
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end.
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@ -0,0 +1,262 @@
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unit Graf3DScene;
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interface
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uses
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FixMath, Graf3D;
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type
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Point3DPtr = ^Point3D;
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Link3D = record
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a: Point3DPtr;
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b: Point3DPtr;
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end;
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Face3D = record
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a: Point3DPtr;
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b: Point3DPtr;
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c: Point3DPtr;
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end;
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Shape3D = record
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origin: Point3D;
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length, verticesLength, facesLength: Integer;
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vertices: array[1..9] of Point3D;
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edges: array[1..13] of Link3D;
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faces: array[1..6] of Face3D;
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end;
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Shape3DPtr = ^Shape3D;
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Scene3D = record
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length: Integer;
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shapes: array[1..20] of Shape3DPtr;
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end;
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Scene3DPtr = ^Scene3D;
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var
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drawingRect: Rect; {A window Size}
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viewWidth, viewHeight, padLeft, padTop: Integer;
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myPort: GrafPort;
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myPort3D: Port3D;
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pa, pb: Point3D;
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hangle, vangle: Longint;
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{cursor}
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cursor, prev: Point;
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isDown: Boolean;
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scene: Scene3D;
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procedure InitWindow;
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{scene}
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procedure AddShape3D (var scene: scene3D; shape: Shape3DPtr);
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procedure SetScene3D (var scene: Scene3D);
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procedure SetLk3D (var lk3D: Link3D; a, b: Point3DPtr);
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procedure SetFc3D (var fc3D: Face3D; a, b, c: Point3DPtr);
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{ transforms }
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procedure MoveShape3D (shape: Shape3DPtr; x, y, z: Fixed);
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procedure ScaleShape3D (shape: Shape3DPtr; x, y, z: LongInt);
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procedure TurnXShape3D (shape: Shape3DPtr);
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procedure TurnYShape3D (shape: Shape3DPtr);
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procedure TurnZShape3D (shape: Shape3DPtr);
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{ draw }
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procedure DrawLink3D (link: Link3D);
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procedure DrawShape3D (shape: Shape3DPtr);
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procedure DrawScene3D (scene: Scene3D);
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implementation
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procedure AddShape3D (var scene: scene3D; shape: Shape3DPtr);
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begin
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scene.length := scene.length + 1;
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scene.shapes[scene.length] := shape;
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end;
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procedure MoveShape3D (shape: Shape3DPtr; x, y, z: Fixed);
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var
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i: Integer;
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begin
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for i := 1 to shape^.verticesLength do
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SetPt3D(shape^.vertices[i], shape^.vertices[i].x + Long2Fix(x), shape^.vertices[i].y + Long2Fix(y), shape^.vertices[i].z + Long2Fix(z));
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end;
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procedure ScaleShape3D (shape: Shape3DPtr; x, y, z: Fixed);
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var
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i: Integer;
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begin
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for i := 1 to shape^.verticesLength do
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begin
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SetPt3D(shape^.vertices[i], FixMul(shape^.vertices[i].x, Long2Fix(x)), FixMul(shape^.vertices[i].y, Long2Fix(y)), FixMul(shape^.vertices[i].z, Long2Fix(z)));
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end;
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end;
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procedure TurnXShape3D (shape: Shape3DPtr);
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var
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i: Integer;
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begin
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SetPt3D(shape^.origin, shape^.origin.x, shape^.origin.z, shape^.origin.y);
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for i := 1 to shape^.verticesLength do
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SetPt3D(shape^.vertices[i], shape^.vertices[i].x, shape^.vertices[i].z, shape^.vertices[i].y);
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end;
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procedure TurnYShape3D (shape: Shape3DPtr);
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var
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i: Integer;
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begin
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SetPt3D(shape^.origin, shape^.origin.z, shape^.origin.y, shape^.origin.x);
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for i := 1 to shape^.verticesLength do
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SetPt3D(shape^.vertices[i], shape^.vertices[i].z, shape^.vertices[i].y, shape^.vertices[i].x - shape^.origin.x);
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end;
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procedure TurnZShape3D (shape: Shape3DPtr);
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var
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i: Integer;
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begin
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SetPt3D(shape^.origin, shape^.origin.y, shape^.origin.x, shape^.origin.z);
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for i := 1 to shape^.verticesLength do
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SetPt3D(shape^.vertices[i], shape^.vertices[i].y, shape^.vertices[i].x, shape^.vertices[i].z);
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end;
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procedure SetLk3D (var lk3D: Link3D; a, b: Point3DPtr);
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begin
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lk3D.a := a;
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lk3D.b := b;
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end;
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procedure SetFc3D (var fc3D: Face3D; a, b, c: Point3DPtr);
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begin
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fc3D.a := a;
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fc3D.b := b;
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fc3D.c := c;
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end;
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procedure SetScene3D (var scene: Scene3D);
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begin
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scene.length := 0;
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end;
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procedure DrawLink3D (link: Link3D);
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begin
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MoveTo3D(link.a^.x, link.a^.y, link.a^.z);
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LineTo3D(link.b^.x, link.b^.y, link.b^.z);
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end;
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procedure DrawFace3D (face: Face3D);
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var
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tempRgn: RgnHandle;
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begin
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tempRgn := NewRgn;
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OpenRgn;
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MoveTo3D(face.a^.X, face.a^.Y, face.a^.Z);
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LineTo3D(face.b^.X, face.b^.Y, face.b^.Z);
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LineTo3D(face.c^.X, face.c^.Y, face.c^.Z);
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LineTo3D(face.a^.X, face.a^.Y, face.a^.Z);
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CloseRgn(tempRgn);
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FillRgn(tempRgn, ltgray);
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DisposeRgn(tempRgn);
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end;
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procedure DrawShape3D (shape: Shape3DPtr);
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var
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i: Integer;
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begin
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for i := 1 to shape^.facesLength do
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DrawFace3D(shape^.faces[i]);
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for i := 1 to shape^.length do
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DrawLink3D(shape^.edges[i]);
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end;
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procedure DrawWidget (size: Integer);
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begin
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PenPat(black);
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MoveTo3D(Long2Fix(size), 0, 0);
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WriteDraw('x');
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LineTo3D(0, 0, 0);
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LineTo3D(0, Long2Fix(size), 0);
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WriteDraw('y');
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MoveTo3D(0, 0, 0);
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LineTo3D(0, 0, Long2Fix(size));
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WriteDraw('z');
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end;
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procedure DrawScene3D (scene: Scene3D);
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var
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i: Integer;
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begin
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for i := 1 to scene.length do
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DrawShape3D(scene.shapes[i]);
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DrawWidget(50);
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end;
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procedure ClearScreen;
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var
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size: Rect;
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begin
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SetRect(size, 0, 0, viewWidth, viewWidth);
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FillRect(size, white);
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end;
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procedure Redraw;
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var
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i: Integer;
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begin
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ClearScreen;
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LookAt(Long2Fix(-viewWidth), Long2Fix(viewheight), Long2Fix(viewWidth), Long2Fix(-viewHeight));
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ViewAngle(Long2Fix(50));
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Identity;
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Yaw(Long2Fix(hangle));
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Pitch(Long2Fix(vangle)); { roll and pitch the plane }
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DrawScene3D(scene);
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end;
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procedure WhenDownChanged;
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var
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hoff, voff: Integer;
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begin
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hoff := prev.h - cursor.h;
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hangle := hangle + hoff;
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voff := prev.v - cursor.v;
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vangle := vangle + voff;
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Redraw;
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GetMouse(prev);
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end;
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procedure WhenDown;
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begin
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GetMouse(cursor);
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if cursor.h <> prev.h then
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if cursor.v <> prev.v then
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WhenDownChanged;
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end;
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procedure MainLoop;
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begin
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repeat {Until we click outside screen}
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while button do
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begin
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GetMouse(cursor);
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||||
GetMouse(prev);
|
||||
repeat {Tight loop until button up}
|
||||
WhenDown;
|
||||
until not Button;
|
||||
end;
|
||||
until cursor.h < 0;
|
||||
end;
|
||||
|
||||
procedure InitWindow;
|
||||
begin
|
||||
viewWidth := 500;
|
||||
viewHeight := 342;
|
||||
padLeft := 60;
|
||||
padTop := 60;
|
||||
SetRect(drawingRect, padLeft, padTop, padLeft + viewWidth, padTop + viewHeight);
|
||||
SetDrawingRect(drawingRect);
|
||||
ShowDrawing;
|
||||
InitGrf3D(nil);
|
||||
Open3DPort(@myPort3D);
|
||||
ViewPort(thePort^.portRect);
|
||||
Redraw;
|
||||
MainLoop;
|
||||
end;
|
||||
|
||||
end.
|
||||
|
|
@ -0,0 +1,10 @@
|
|||
unit Graf3DStructures;
|
||||
interface
|
||||
|
||||
uses
|
||||
FixMath, Graf3D, Graf3DScene, Graf3DPrimitives;
|
||||
|
||||
implementation
|
||||
|
||||
|
||||
end.
|
||||
|
|
@ -0,0 +1,28 @@
|
|||
program ExampleScene;
|
||||
|
||||
uses
|
||||
FixMath, Graf3D, Graf3DScene, Graf3DPrimitives, Graf3DStructures;
|
||||
|
||||
var
|
||||
box1, wed1, pyr1: Shape3D;
|
||||
|
||||
begin
|
||||
|
||||
{scene}
|
||||
|
||||
SetScene3D(scene);
|
||||
SetBox3D(box1, -100, 0, 0, 100, 100, 100);
|
||||
SetWedge3D(wed1, 0, 0, 0, 100, 100, 100, 50);
|
||||
SetPyramid3D(pyr1, 100, 0, 0, 100, 100, 100, 50, 50);
|
||||
|
||||
AddShape3D(scene, @box1);
|
||||
AddShape3D(scene, @wed1);
|
||||
AddShape3D(scene, @pyr1);
|
||||
|
||||
TurnYShape3D(@pyr1);
|
||||
MoveShape3D(@pyr1, 100, 0, 0);
|
||||
TurnYShape3D(@pyr1);
|
||||
|
||||
InitWindow;
|
||||
|
||||
end.
|
||||
Loading…
Reference in New Issue