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Last change
on this file since 455 was
226,
checked in by mmc, 19 years ago
|
- Added code for Wei's visualization server.
- Fixed the energyLevels widget so that it doesn't barf when the
user attempts to download its contents.
|
|
File size:
1.7 KB
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| 1 | /*
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| 2 | * ----------------------------------------------------------------------
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| 3 | * Vector4.cpp: Vector4 class
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| 4 | *
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| 5 | * ======================================================================
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| 6 | * AUTHOR: Wei Qiao <qiaow@purdue.edu>
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| 7 | * Purdue Rendering and Perceptualization Lab (PURPL)
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| 8 | *
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| 9 | * Copyright (c) 2004-2006 Purdue Research Foundation
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| 10 | *
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| 11 | * See the file "license.terms" for information on usage and
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| 12 | * redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES.
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| 13 | * ======================================================================
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| 14 | */
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| 15 | #include <stdio.h>
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| 16 | #include "Vector4.h"
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| 17 |
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| 18 |
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| 19 | Vector4::Vector4(){}
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| 20 |
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| 21 | Vector4::Vector4(float _x, float _y, float _z, float _w){
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| 22 | x = _x;
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| 23 | y = _y;
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| 24 | z = _z;
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| 25 | w = _w;
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| 26 | }
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| 27 |
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| 28 | Vector4::~Vector4(){}
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| 29 |
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| 30 | void Vector4::print(){
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| 31 | fprintf(stderr, "Vector4: (%.3f, %.3f, %.3f, %.3f)\n", x, y, z, w);
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| 32 | }
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| 33 |
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| 34 | void Vector4::perspective_devide(){
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| 35 | x /= w;
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| 36 | y /= w;
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| 37 | z /= w;
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| 38 | w = 1.;
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| 39 | }
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| 40 |
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| 41 | Vector4 Vector4::operator +(Vector4 &op2){
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| 42 | Vector4 ret;
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| 43 | ret.x = x + op2.x;
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| 44 | ret.y = y + op2.y;
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| 45 | ret.z = z + op2.z;
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| 46 | ret.w = w + op2.w;
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| 47 | return ret;
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| 48 | }
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| 49 |
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| 50 | Vector4 Vector4::operator -(Vector4 &op2){
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| 51 | Vector4 ret;
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| 52 | ret.x = x - op2.x;
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| 53 | ret.y = y - op2.y;
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| 54 | ret.z = z - op2.z;
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| 55 | ret.w = w - op2.w;
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| 56 | return ret;
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| 57 | }
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| 58 |
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| 59 | float Vector4::operator *(Vector4 &op2){
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| 60 | return x*op2.x +
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| 61 | y*op2.y +
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| 62 | z*op2.z +
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| 63 | w*op2.w;
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| 64 | }
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| 65 |
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| 66 | Vector4 Vector4::operator *(float op2){
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| 67 | Vector4 ret;
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| 68 | ret.x = x*op2;
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| 69 | ret.y = y*op2;
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| 70 | ret.z = z*op2;
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| 71 | ret.w = w*op2;
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| 72 | return ret;
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| 73 | }
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| 74 |
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| 75 | Vector4 Vector4::operator /(float op2){
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| 76 | Vector4 ret;
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| 77 | ret.x = x/op2;
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| 78 | ret.y = y/op2;
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| 79 | ret.z = z/op2;
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| 80 | ret.w = w/op2;
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| 81 | return ret;
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| 82 | }
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| 83 |
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| 84 | //assign
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| 85 | void Vector4::operator <(Vector4 &op2){
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| 86 | x = op2.x;
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| 87 | y = op2.y;
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| 88 | z = op2.z;
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| 89 | w = op2.w;
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| 90 | }
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