567 lines
14 KiB
C++
567 lines
14 KiB
C++
#include "main_code.h"
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#ifdef TARGET_ANDROID
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#include "android_api.h"
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <math.h>
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#include <time.h>
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#include "include/Engine.h"
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#include "main_code.h"
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//Better move those to external config or something...
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const cardinal CONST_LASER_TIMER = 200;
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const int CONST_HIT_SCORE_POINTS = 100;
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const float CONST_TIME_SCALE = 0.01f;
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const float CONST_PLAYER_ACCELERATION = 3.f;
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const float CONST_VELOCITY_FADE = 0.95f;
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const float CONST_LASER_VELOCITY = 100.f;
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const vec2 CONST_PLAYER_HALF_SIZE(30.f, 30.f);
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const vec2 CONST_LASER_HALF_SIZE(10.f, 10.f);
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const vec2 CONST_AST_POS1(40, 40);
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const vec2 CONST_AST_POS2(40, 280);
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const vec2 CONST_AST_POS3(440, 160);
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float HealthToScale(int health)
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{
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return 0.5f + health * 0.3f;
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}
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float HealthToHitDistance(int health)
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{
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const float CONST_HIT_DISTANCE = 15.f;
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return max(CONST_HIT_DISTANCE * HealthToScale(health), 10.f);
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}
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void TMyApplication::InnerInit()
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{
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*Console<<"Inner init go!\n";
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#ifdef TARGET_ANDROID
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ST::PathToResources = "";
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#endif
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#ifdef TARGET_WIN32
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#ifdef NDEBUG
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ST::PathToResources = "assets/";
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#else
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ST::PathToResources = "../../../assets/";
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#endif
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#endif
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#ifdef TARGET_IOS
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ST::PathToResources = "assets/";
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#endif
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RandomGenerator.seed(static_cast<unsigned int>(std::time(0)));
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TapIsDown = false;
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ResourceManager->TexList.AddTexture(CONST_CONSOLE_TEX_NAME);
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ResourceManager->ShaderManager.AddShader("DefaultShader", "gui_transparent.vertex", "gui_transparent.fragment");
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Renderer->PushShader("DefaultShader");
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ResourceManager->FontManager.AddFont("droid_sans14", "droid_sans14_font_bitmap.bmp32", "droid_sans14_font_charmap.txt");
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ResourceManager->FontManager.PushFont("droid_sans14");
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ResourceManager->TexList.Serialize(*FileToPropertyTree("textures.xml"));
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Renderer->PushProjectionMatrix(Renderer->GetScreenWidth(), Renderer->GetScreenHeight());
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Level = 1;
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Score = 0;
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InitLevel();
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Player.RenderPair.first.SamplerMap[CONST_STRING_TEXTURE_UNIFORM] = "shipTexture";
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Player.RenderPair.second.Data = MakeDataTriangleList(Player.Pos - CONST_PLAYER_HALF_SIZE, Player.Pos + CONST_PLAYER_HALF_SIZE);
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Player.RenderPair.second.RefreshBuffer();
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BackgroundRenderPair.first.SamplerMap[CONST_STRING_TEXTURE_UNIFORM] = "backgroundTexture";
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BackgroundRenderPair.second.Data = MakeDataTriangleList(vec2(0,0), vec2(Renderer->GetScreenWidth(), Renderer->GetScreenHeight()));
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BackgroundRenderPair.second.RefreshBuffer();
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*Console<<"Inner init end!\n";
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glDepthFunc(GL_LEQUAL);
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}
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void TMyApplication::InnerDeinit()
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{
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}
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void TMyApplication::InnerDraw()
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{
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glClearColor(0,0,0,1);
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glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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//Draw background
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TRenderParamsSetter renderParamSetter(BackgroundRenderPair.first);
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Renderer->DrawTriangleList(BackgroundRenderPair.second);
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//Draw asteroids
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BOOST_FOREACH(CAsteroidStruct& asteroid, Asteroids)
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{
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TRenderParamsSetter renderParamSetter(asteroid.RenderPair.first);
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Renderer->DrawTriangleList(asteroid.RenderPair.second);
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}
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//Draw player
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if (GameState != GS_LOST)
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{
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TRenderParamsSetter renderParamSetter(Player.RenderPair.first);
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Renderer->DrawTriangleList(Player.RenderPair.second);
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}
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//Draw lasers
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BOOST_FOREACH(CLaserStruct& laser, Lasers)
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{
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TRenderParamsSetter renderParamSetter(laser.RenderPair.first);
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Renderer->DrawTriangleList(laser.RenderPair.second);
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}
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//Draw texts
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glBindTexture(GL_TEXTURE_2D, ResourceManager->TexList[ResourceManager->FontManager.GetCurrentFontTextureName()]);
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Renderer->DrawTriangleList(LevelScoreText);
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Renderer->DrawTriangleList(LevelMessageText);
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}
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void TMyApplication::InnerUpdate(cardinal dt)
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{
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float scaledTime = CONST_TIME_SCALE * dt;
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//Update Asteroids
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BOOST_FOREACH(CAsteroidStruct& asteroid, Asteroids)
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{
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float difAngle = asteroid.AngularVelocity * scaledTime;
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asteroid.Angle += difAngle;
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mat3 rotationMatrix = CreateZRotationMatrix(difAngle);
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MoveDataTriangleList(asteroid.RenderPair.second.Data, -vec3(asteroid.CenterPos, 0));
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RotateDataTriangleList(asteroid.RenderPair.second.Data, rotationMatrix);
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MoveDataTriangleList(asteroid.RenderPair.second.Data, vec3(asteroid.CenterPos, 0));
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vec2 dif = asteroid.Velocity * scaledTime;
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vec2 newCenterPos = NormalizePos(asteroid.CenterPos + dif);
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dif = newCenterPos - asteroid.CenterPos;
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asteroid.CenterPos = newCenterPos;
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MoveDataTriangleList(asteroid.RenderPair.second.Data, vec3(dif, 0));
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asteroid.RenderPair.second.RefreshBuffer();
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}
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UpdatePlayerPosition(scaledTime);
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//Shoot laser
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LaserTimer.Update(dt);
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if (LaserTimer.IsOver())
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{
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LaserTimer.SetTimer(CONST_LASER_TIMER);
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if (GameState == GS_PLAY)
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{
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AddNewLaser();
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}
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}
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//Update lasers
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BOOST_FOREACH(CLaserStruct& laser, Lasers)
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{
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vec2 dif = CONST_LASER_VELOCITY *laser.Dir * scaledTime;
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MoveDataTriangleList(laser.RenderPair.second.Data, vec3(dif, 0));
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laser.Pos += dif;
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laser.RenderPair.second.RefreshBuffer();
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}
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//Do all checks...
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ProcessLaserHit();
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ProcessPlayerCollisions();
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ClearUnusedLasers();
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if (Asteroids.size() == 0 && GameState == GS_PLAY)
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{
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GameState = GS_WON;
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RefreshScoreText();
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}
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}
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void TMyApplication::InnerOnTapDown(vec2 p)
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{
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TapIsDown = true;
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LastTap = p;
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}
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void TMyApplication::InnerOnTapUp(vec2 p)
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{
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TapIsDown = false;
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if (GameState == GS_LOST)
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{
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Level = 1;
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Score = 0;
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InitLevel();
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}
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else if (GameState == GS_WON)
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{
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Level++;
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InitLevel();
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}
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}
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void TMyApplication::InnerOnTapUpAfterMove(vec2 p)
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{
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TapIsDown = false;
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}
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void TMyApplication::InnerOnMove(vec2 shift)
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{
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LastTap -= shift;
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}
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void TMyApplication::InitLevel()
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{
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GameState = GS_PLAY;
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LaserTimer.SetTimer(CONST_LASER_TIMER);
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Asteroids.clear();
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Lasers.clear();
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CreateRandomAsteroid(CONST_AST_POS1, Level);
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CreateRandomAsteroid(CONST_AST_POS2, Level);
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CreateRandomAsteroid(CONST_AST_POS3, Level);
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Player.Angle = 0;
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Player.Pos = vec2(Renderer->GetScreenWidth()/2, Renderer->GetScreenHeight()/2);
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RefreshScoreText();
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}
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CAsteroidStruct TMyApplication::CreateAsteroid(vec2 pos, vec2 dir, int health)
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{
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static const float CONST_TEX_COORD_SCALE = 0.01f;
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static const float CONST_ANGULAR_VELOCITY_SCALE = 0.001f;
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static const boost::random::uniform_int_distribution<> velocityDistribution(5, 10);
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static const boost::random::uniform_int_distribution<> angularVelocityDistribution(0, 10);
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static const boost::random::uniform_int_distribution<> vertexNumberDistribution(5, 10);
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static const boost::random::uniform_int_distribution<> vertexShiftDistribution(20, 30);
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CAsteroidStruct result;
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result.Health = health;
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result.CenterPos = pos;
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result.Angle = 0;
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result.AngularVelocity = angularVelocityDistribution(RandomGenerator) * CONST_ANGULAR_VELOCITY_SCALE;
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result.Velocity = velocityDistribution(RandomGenerator) * dir;
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int numberOfVertices = vertexNumberDistribution(RandomGenerator);
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std::vector<float> distArr(numberOfVertices);
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for (int i=0; i<numberOfVertices; i++)
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{
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distArr[i] = vertexShiftDistribution(RandomGenerator) * HealthToScale(health);
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}
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//First iteration
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vec2 prevShift = distArr[0] * vec2(1,0);
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vec2 prevTexCoordShift = prevShift * CONST_TEX_COORD_SCALE;
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//Other iterations
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for (int i = 1; i <= numberOfVertices; i++)
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{
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float angle = i * 2 * pi / static_cast<float>(numberOfVertices);
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vec2 shift = distArr[i % numberOfVertices] * vec2(cosf(angle), sinf(angle));
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vec2 texCoordShift = shift * CONST_TEX_COORD_SCALE;
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result.RenderPair.second.Data.Vec3CoordArr[CONST_STRING_POSITION_ATTRIB].push_back(vec3(pos, 0));
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result.RenderPair.second.Data.Vec3CoordArr[CONST_STRING_POSITION_ATTRIB].push_back(vec3(pos + prevShift, 0));
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result.RenderPair.second.Data.Vec3CoordArr[CONST_STRING_POSITION_ATTRIB].push_back(vec3(pos + shift, 0));
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result.RenderPair.second.Data.Vec2CoordArr[CONST_STRING_TEXCOORD_ATTRIB].push_back(vec2(0.5f, 0.5f));
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result.RenderPair.second.Data.Vec2CoordArr[CONST_STRING_TEXCOORD_ATTRIB].push_back(vec2(0.5f, 0.5f) + prevTexCoordShift);
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result.RenderPair.second.Data.Vec2CoordArr[CONST_STRING_TEXCOORD_ATTRIB].push_back(vec2(0.5f, 0.5f) + texCoordShift);
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prevShift = shift;
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prevTexCoordShift = texCoordShift;
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}
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result.RenderPair.first.SamplerMap[CONST_STRING_TEXTURE_UNIFORM] = "asteroidTexture";
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result.RenderPair.second.RefreshBuffer();
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return result;
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}
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void TMyApplication::CreateRandomAsteroid(vec2 pos, int health)
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{
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static const boost::random::uniform_int_distribution<> angleDistribution(0, 36);
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float randomAngle = angleDistribution(RandomGenerator) * pi / 18.f;
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Asteroids.push_back(CreateAsteroid(pos, vec2(cosf(randomAngle), sinf(randomAngle)), health));
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}
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void TMyApplication::CreateAsteroidParts(vec2 pos, int newHealth)
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{
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static const boost::random::uniform_int_distribution<> CreateAsteroidParts(2, 5);
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static const boost::random::uniform_int_distribution<> angleDistribution(0, 36);
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float randomAngle = angleDistribution(RandomGenerator) * pi / 18.f;
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int number = CreateAsteroidParts(RandomGenerator);
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for (int i = 0; i < number; i++)
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{
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float partAngle = randomAngle + i * 2 * pi / static_cast<float>(number);
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Asteroids.push_back(CreateAsteroid(pos, vec2(cosf(partAngle), sinf(partAngle)), newHealth));
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}
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}
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vec2 TMyApplication::NormalizePos(vec2 pos)
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{
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vec2 result = pos;
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while (result.v[0] < 0)
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{
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result.v[0] += Renderer->GetScreenWidth();
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}
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while (result.v[1] < 0)
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{
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result.v[1] += Renderer->GetScreenHeight();
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}
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while (result.v[0] >= Renderer->GetScreenWidth())
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{
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result.v[0] -= Renderer->GetScreenWidth();
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}
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while (result.v[1] >= Renderer->GetScreenHeight())
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{
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result.v[1] -= Renderer->GetScreenHeight();
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}
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return result;
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}
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void TMyApplication::RefreshPlayerPos()
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{
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Replace6PointsInTriangleList(Player.RenderPair.second.Data, 0, (-1) * CONST_PLAYER_HALF_SIZE, CONST_PLAYER_HALF_SIZE);
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mat3 rotationMatrix = CreateZRotationMatrix(Player.Angle);
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RotateDataTriangleList(Player.RenderPair.second.Data, rotationMatrix);
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MoveDataTriangleList(Player.RenderPair.second.Data, vec3(Player.Pos, 0));
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Player.RenderPair.second.RefreshBuffer();
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}
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void TMyApplication::AddNewLaser()
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{
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CLaserStruct laser;
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float angle = Player.Angle;
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laser.Dir = vec2(cosf(angle), sinf(angle));
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laser.Pos = Player.Pos;
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laser.RenderPair.second.Data = MakeDataTriangleList((-1) * CONST_LASER_HALF_SIZE, CONST_LASER_HALF_SIZE);
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mat3 rotationMatrix = CreateZRotationMatrix(angle);
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RotateDataTriangleList(laser.RenderPair.second.Data, rotationMatrix);
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MoveDataTriangleList(laser.RenderPair.second.Data, vec3(laser.Pos, 0));
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laser.RenderPair.first.SamplerMap[CONST_STRING_TEXTURE_UNIFORM] = "fireTexture";
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laser.RenderPair.second.RefreshBuffer();
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Lasers.push_back(laser);
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}
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void TMyApplication::UpdatePlayerPosition(float scaledTime)
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{
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if (TapIsDown)
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{
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vec2 dir = Normalize(LastTap - Player.Pos);
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Player.Velocity += CONST_PLAYER_ACCELERATION * scaledTime * dir;
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Player.Angle = acosf(DotProduct(dir, vec2(1, 0)));
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if (dir.v[1] < 0)
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{
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Player.Angle = -Player.Angle;
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}
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}
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Player.Pos += Player.Velocity * scaledTime;
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Player.Velocity *= powf(CONST_VELOCITY_FADE, clamp(scaledTime, 0.f, 1.5f));
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Player.Pos = NormalizePos(Player.Pos);
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RefreshPlayerPos();
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}
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void TMyApplication::ProcessLaserHit()
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{
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for (auto laserItr = Lasers.begin(); laserItr != Lasers.end(); )
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{
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for (auto astItr = Asteroids.begin(); astItr != Asteroids.end(); )
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{
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float realDistance = HealthToHitDistance(astItr->Health);
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if (fabs(laserItr->Pos.v[0] - astItr->CenterPos.v[0]) < realDistance &&
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fabs(laserItr->Pos.v[1] - astItr->CenterPos.v[1]) < realDistance)
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{
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laserItr = Lasers.erase(laserItr);
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if (astItr->Health > 0)
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{
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CreateAsteroidParts(astItr->CenterPos, astItr->Health - 1);
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}
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astItr = Asteroids.erase(astItr);
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Score += CONST_HIT_SCORE_POINTS;
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RefreshScoreText();
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break;
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}
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if (astItr != Asteroids.end())
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{
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astItr++;
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}
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}
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if (laserItr != Lasers.end())
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{
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laserItr++;
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}
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}
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}
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void TMyApplication::ProcessPlayerCollisions()
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{
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for (auto astItr = Asteroids.begin(); astItr != Asteroids.end(); astItr++)
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{
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float realDistance = HealthToHitDistance(astItr->Health);
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if (fabs(astItr->CenterPos.v[0] - Player.Pos.v[0]) < realDistance && fabs(astItr->CenterPos.v[1] - Player.Pos.v[1]) < realDistance)
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{
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GameState = GS_LOST;
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RefreshScoreText();
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}
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}
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}
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void TMyApplication::ClearUnusedLasers()
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{
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for (auto itr = Lasers.begin(); itr != Lasers.end(); )
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{
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if (itr->Pos.v[0] < 0 || itr->Pos.v[1] < 0 || itr->Pos.v[0] > Renderer->GetScreenWidth() || itr->Pos.v[1] > Renderer->GetScreenHeight())
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{
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itr = Lasers.erase(itr);
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}
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if (itr != Lasers.end())
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{
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itr++;
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}
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}
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}
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void TMyApplication::RefreshScoreText()
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{
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LevelScoreText = ResourceManager->FontManager.DrawStringToVBO(vec2(10, 20), TTextBasicAreaParams(), "Score: "+ tostr(Score));
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if (GameState == GS_PLAY)
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{
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LevelMessageText = ResourceManager->FontManager.DrawStringToVBO(vec2(10, 300), TTextBasicAreaParams(), "Now playing "+ tostr(Level) + " level");
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}
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else if (GameState == GS_WON)
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{
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LevelMessageText = ResourceManager->FontManager.DrawStringToVBO(vec2(10, 300), TTextBasicAreaParams(), "You won! Tap on screen to start next level");
|
|
}
|
|
else if (GameState == GS_LOST)
|
|
{
|
|
LevelMessageText = ResourceManager->FontManager.DrawStringToVBO(vec2(10, 300), TTextBasicAreaParams(), "You failed! Tap on screen to restart");
|
|
}
|
|
} |