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1 /* |
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2 * Hedgewars, a free turn based strategy game |
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3 * Copyright (c) 2009 Kristian Lehmann <email@thexception.net> |
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4 * |
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5 * This program is free software; you can redistribute it and/or modify |
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6 * it under the terms of the GNU General Public License as published by |
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7 * the Free Software Foundation; version 2 of the License |
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8 * |
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9 * This program is distributed in the hope that it will be useful, |
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10 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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12 * GNU General Public License for more details. |
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13 * |
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14 * You should have received a copy of the GNU General Public License |
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15 * along with this program; if not, write to the Free Software |
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16 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA |
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17 */ |
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18 |
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19 #include "bgwidget.h" |
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20 |
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21 SpritePosition::SpritePosition(QWidget * parent, int sh) |
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22 { |
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23 wParent = parent; |
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24 iSpriteHeight = sh; |
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25 reset(); |
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26 } |
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27 |
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28 SpritePosition::~SpritePosition() |
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29 { |
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30 } |
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31 |
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32 void SpritePosition::move() |
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33 { |
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34 fX += fXMov; |
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35 fY += fYMov; |
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36 iAngle += 4; |
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37 if (iAngle >= 360) iAngle = 0; |
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38 if (fY > wParent->height()) reset(); |
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39 } |
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40 |
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41 void SpritePosition::reset() |
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42 { |
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43 fY = -1 * iSpriteHeight; |
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44 fX = (qrand() % ((int)(wParent->width() * 1.5))) - wParent->width()/2; |
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45 fYMov = ((qrand() % 400)+300) / 100.0f; |
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46 fXMov = fYMov * 0.5f; |
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47 iAngle = qrand() % 360; |
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48 } |
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49 |
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50 QPoint SpritePosition::pos() |
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51 { |
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52 return QPoint((int)fX,(int)fY); |
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53 } |
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54 |
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55 int SpritePosition::getAngle() |
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56 { |
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57 return iAngle; |
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58 } |
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59 |
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60 void SpritePosition::init() |
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61 { |
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62 fY = qrand() % (wParent->height() + 1); |
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63 fX = qrand() % (wParent->width() + 1); |
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64 } |
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65 |
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66 BGWidget::BGWidget(QWidget * parent) : QWidget(parent) |
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67 { |
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68 sprite.load(":/res/Star.png"); |
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69 |
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70 setAutoFillBackground(false); |
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71 |
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72 for (int i = 0; i < SPRITE_MAX; i++) spritePositions[i] = new SpritePosition(this, sprite.height()); |
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73 |
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74 for (int i = 0; i < 360; i++) |
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75 { |
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76 rotatedSprites[i] = new QImage(sprite.width(), sprite.height(), QImage::Format_ARGB32); |
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77 rotatedSprites[i]->fill(0); |
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78 |
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79 QPoint translate(sprite.width()/2, sprite.height()/2); |
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80 |
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81 QPainter p; |
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82 p.begin(rotatedSprites[i]); |
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83 p.setRenderHint(QPainter::Antialiasing); |
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84 p.setRenderHint(QPainter::SmoothPixmapTransform); |
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85 p.translate(translate.x(), translate.y()); |
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86 p.rotate(i); |
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87 p.translate(-1*translate.x(), -1*translate.y()); |
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88 p.drawImage(0, 0, sprite); |
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89 |
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90 } |
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91 |
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92 timerAnimation = new QTimer(); |
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93 connect(timerAnimation, SIGNAL(timeout()), this, SLOT(animate())); |
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94 timerAnimation->setInterval(ANIMATION_INTERVAL); |
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95 } |
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96 |
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97 BGWidget::~BGWidget() |
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98 { |
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99 for (int i = 0; i < SPRITE_MAX; i++) delete spritePositions[i]; |
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100 for (int i = 0; i < 360; i++) delete rotatedSprites[i]; |
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101 delete timerAnimation; |
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102 } |
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103 |
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104 void BGWidget::paintEvent(QPaintEvent *event) |
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105 { |
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106 QPainter p; |
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107 p.begin(this); |
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108 //p.setRenderHint(QPainter::Antialiasing); |
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109 for (int i = 0; i < SPRITE_MAX; i++) |
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110 { |
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111 QPoint point = spritePositions[i]->pos(); |
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112 p.drawImage(point.x(), point.y(), *rotatedSprites[spritePositions[i]->getAngle()]); |
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113 } |
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114 p.end(); |
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115 } |
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116 |
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117 void BGWidget::animate() |
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118 { |
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119 repaint(); |
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120 for (int i = 0; i < SPRITE_MAX; i++) |
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121 { |
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122 spritePositions[i]->move(); |
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123 } |
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124 } |
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125 |
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126 void BGWidget::startAnimation() |
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127 { |
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128 timerAnimation->start(); |
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129 } |
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130 |
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131 void BGWidget::stopAnimation() |
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132 { |
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133 timerAnimation->stop(); |
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134 } |
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135 |
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136 void BGWidget::init() |
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137 { |
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138 for (int i = 0; i < SPRITE_MAX; i++) spritePositions[i]->init(); |
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139 } |