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Gold.d

/*
 * $Id: Gold.d,v 1.2 2003/09/21 04:01:27 kenta Exp $
 *
 * Copyright 2003 Kenta Cho. All rights reserved.
 */
module abagames.a7xpg.Gold;

import math;
import opengl;
import abagames.util.Vector;
import abagames.util.Rand;
import abagames.util.ActorInitializer;
import abagames.a7xpg.LuminousActor;
import abagames.a7xpg.Ship;
import abagames.a7xpg.Field;
import abagames.a7xpg.A7xGameManager;
import abagames.a7xpg.A7xScreen;

/**
 * Gold items.
 */
00022 public class Gold: LuminousActor {
 public:
  static const float SIZE = 1;
  static int displayListIdx;
 private:
  Ship ship;
  Field field;
  Rand rand;
  A7xGameManager manager;
  Vector pos;
  int cnt;
  static const float ROLL_DEG = 1.0;

  public override Actor newActor() {
    return new Gold;
  }

  public override void init(ActorInitializer ini) {
    GoldInitializer gi = (GoldInitializer) ini;
    ship = gi.ship;
    field = gi.field;
    rand = gi.rand;
    manager = gi.manager;
    pos = new Vector;
  }
  
  public void set() {
    for (int i = 0; i < 8 ; i++) {
      pos.x = rand.nextFloat((field.size.x - SIZE) * 2) - field.size.x + SIZE;
      pos.y = rand.nextFloat((field.size.y - SIZE) * 2) - field.size.y + SIZE;
      if (pos.dist(ship.pos) > 8)
      break;
      if (i == 7) {
      pos.x = 0;
      pos.y = -field.size.y / 2;
      }
    }
    cnt = 0;
    isExist = true;
  }

  public override void move() {
    cnt++;
    if (ship.checkHit(pos.x, pos.y - SIZE, pos.x, pos.y + SIZE) ||
      ship.checkHit(pos.x - SIZE, pos.y, pos.x + SIZE, pos.y)) {
      isExist = false;
      for (int i = 0; i < 16; i++) {
      manager.addParticle(pos, rand.nextFloat(math.PI * 2), 0.5, 0,5, 0.8, 0);
      }
      manager.getGold();
    }
  }

  public override void draw() {
    glPushMatrix();
    glTranslatef(pos.x, pos.y, 0.5);
    glRotatef(ROLL_DEG * cnt, 0, 0, 1);
    glCallList(displayListIdx);
    glCallList(displayListIdx + 1);
    glTranslatef(0, 0, -0.5);
    glScalef(1, 1, -1);
    glCallList(displayListIdx);
    glPopMatrix();
  }

  public override void drawLuminous() {
    glPushMatrix();
    glTranslatef(pos.x, pos.y, 0.5);
    glRotatef(ROLL_DEG * cnt, 0, 0, 1);
    glCallList(displayListIdx + 1);
    glPopMatrix();
  }

  // Create display lists.

  public static void createDisplayLists() {
    displayListIdx = glGenLists(2);
    glNewList(displayListIdx, GL_COMPILE);
    drawGold(1);
    glEndList();
    glNewList(displayListIdx + 1, GL_COMPILE);
    drawGoldLine(1);
    glEndList();
  }

  public static void deleteDisplayLists() {
    glDeleteLists(displayListIdx, 2);
  }

  private static void drawGold(float alpha) {
    glBegin(GL_TRIANGLE_FAN);
    A7xScreen.setColor(1, 1, 0.3, 0.9 * alpha);
    glVertex3f(0, 0, 1);
    A7xScreen.setColor(0.2, 0.5, 0.4, 0.8 * alpha);
    glVertex3f(1, 0, 0);
    glVertex3f(0, 1, 0);
    glVertex3f(-1, 0, 0);
    glVertex3f(0, -1, 0);
    glEnd();
  }

  private static void drawGoldLine(float alpha) {
    glBegin(GL_LINE_STRIP);
    A7xScreen.setColor(1, 1, 0.3, 0.9 * alpha);
    glVertex3f(1, 0, 0);
    glVertex3f(0, 1, 0);
    glVertex3f(-1, 0, 0);
    glVertex3f(0, -1, 0);
    glVertex3f(1, 0, 0);
    glEnd();
  }
}

public class GoldInitializer: ActorInitializer {
 public:
  Ship ship;
  Field field;
  Rand rand;
  A7xGameManager manager;

  public this(Ship ship, Field field, Rand rand, A7xGameManager manager) {
    this.ship = ship;
    this.field = field;
    this.rand = rand;
    this.manager = manager;
  }
}

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