MasterGordon
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asdlteroids
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This commit is contained in:
MasterGordon 2022-10-03 23:13:19 +02:00
commit 43433bb405
47 changed files with 926 additions and 0 deletions
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6
Program.cs Normal file
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// See https://aka.ms/new-console-template for more information
var window = new Window("Hello World!", 800, 600);
var renderer = new Renderer(window);
var scene = new Scene(renderer);
scene.Run();

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{
"runtimeTarget": {
"name": ".NETCoreApp,Version=v6.0",
"signature": ""
},
"compilationOptions": {},
"targets": {
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"dependencies": {
"ppy.SDL2-CS": "1.0.596-alpha"
},
"runtime": {
"dotnet-console.dll": {}
}
},
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"runtime": {
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"assemblyVersion": "0.0.0.0",
"fileVersion": "0.0.0.0"
}
},
"runtimeTargets": {
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<?xml version="1.0" encoding="utf-8"?>
<configuration>
<dllmap dll="SDL2" os="windows" target="SDL2.dll"/>
<dllmap dll="SDL2" os="osx" target="libSDL2.dylib"/>
<dllmap dll="SDL2" os="linux" target="libSDL2-2.0.so.0"/>
</configuration>

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{
"runtimeOptions": {
"tfm": "net6.0",
"framework": {
"name": "Microsoft.NETCore.App",
"version": "6.0.0"
}
}
}

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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>net6.0</TargetFramework>
<RootNamespace>dotnet_console</RootNamespace>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="ppy.SDL2-CS" Version="1.0.596-alpha" />
</ItemGroup>
</Project>

4
obj/Debug/net6.0/.NETCoreApp,Version=v6.0.AssemblyAttributes.cs Normal file
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// <autogenerated />
using System;
using System.Reflection;
[assembly: global::System.Runtime.Versioning.TargetFrameworkAttribute(".NETCoreApp,Version=v6.0", FrameworkDisplayName = "")]

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obj/Debug/net6.0/dotnet-console.AssemblyInfo.cs Normal file
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//------------------------------------------------------------------------------
// <auto-generated>
// This code was generated by a tool.
//
// Changes to this file may cause incorrect behavior and will be lost if
// the code is regenerated.
// </auto-generated>
//------------------------------------------------------------------------------
using System;
using System.Reflection;
[assembly: System.Reflection.AssemblyCompanyAttribute("dotnet-console")]
[assembly: System.Reflection.AssemblyConfigurationAttribute("Debug")]
[assembly: System.Reflection.AssemblyFileVersionAttribute("1.0.0.0")]
[assembly: System.Reflection.AssemblyInformationalVersionAttribute("1.0.0")]
[assembly: System.Reflection.AssemblyProductAttribute("dotnet-console")]
[assembly: System.Reflection.AssemblyTitleAttribute("dotnet-console")]
[assembly: System.Reflection.AssemblyVersionAttribute("1.0.0.0")]
// Generated by the MSBuild WriteCodeFragment class.

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obj/Debug/net6.0/dotnet-console.GeneratedMSBuildEditorConfig.editorconfig Normal file
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build_property._SupportedPlatformList = Linux,macOS,Windows
build_property.RootNamespace = dotnet_console
build_property.ProjectDir = /home/gordon/git/dotnet-console/

8
obj/Debug/net6.0/dotnet-console.GlobalUsings.g.cs Normal file
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// <auto-generated/>
global using global::System;
global using global::System.Collections.Generic;
global using global::System.IO;
global using global::System.Linq;
global using global::System.Net.Http;
global using global::System.Threading;
global using global::System.Threading.Tasks;

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1
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25
obj/Debug/net6.0/dotnet-console.csproj.FileListAbsolute.txt Normal file
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obj/dotnet-console.csproj.nuget.dgspec.json Normal file
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149
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using static SDL2.SDL;
class Scene
{
public const int SCREEN_WIDTH = 800;
public const int SCREEN_HEIGHT = 600;
private Ship ship;
private Renderer renderer;
private static Scene? instance;
public HashSet<Shot> Shots;
public HashSet<Asteroid> Asteroids;
public int Score = 0;
public int Level = 1;
public Scene(Renderer renderer)
{
this.ship = new Ship(SCREEN_WIDTH / 2, SCREEN_HEIGHT / 2);
this.Shots = new HashSet<Shot>();
this.Asteroids = new HashSet<Asteroid>();
this.renderer = renderer;
instance = this;
}
public int Run()
{
double dx = 0;
DateTime start = DateTime.Now;
SpawnAsteroids(Level + 3);
while (true)
{
start = DateTime.Now;
pollEvents();
var entities = new List<Object>();
entities.Add(ship);
entities.AddRange(Shots);
entities.AddRange(Asteroids);
var keyState = new KeyState();
renderer.Clear();
foreach (var entity in entities)
{
if (entity is Logic)
{
((Logic)entity).Update(keyState, dx);
}
if (entity is Renderable)
{
((Renderable)entity).Render(renderer, dx);
}
}
if (Asteroids.Count == 0)
{
Level++;
SpawnAsteroids(Level + 3);
}
renderer.Present();
DateTime end = DateTime.Now;
dx = (end - start).TotalSeconds;
}
}
public void SpawnAsteroids(int count)
{
for (int i = 0; i < count; i++)
{
SpawnAsteroid();
}
}
public void SpawnAsteroid()
{
var edge = new Random().Next(0, 4);
var x = 0;
var y = 0;
switch (edge)
{
case 0:
x = 0;
y = new Random().Next(0, SCREEN_HEIGHT);
break;
case 1:
x = SCREEN_WIDTH;
y = new Random().Next(0, SCREEN_HEIGHT);
break;
case 2:
x = new Random().Next(0, SCREEN_WIDTH);
y = 0;
break;
case 3:
x = new Random().Next(0, SCREEN_WIDTH);
y = SCREEN_HEIGHT;
break;
}
Asteroids.Add(new Asteroid(x, y, new Random().Next(0, 200) / 100.0 * Math.PI, Size.Large));
}
public void Loose()
{
Console.WriteLine("You loose!");
Environment.Exit(0);
}
private void pollEvents()
{
SDL_Event e;
while (SDL_PollEvent(out e) != 0)
{
if (e.type == SDL_EventType.SDL_QUIT)
{
System.Environment.Exit(0);
}
if (e.type == SDL_EventType.SDL_KEYDOWN)
{
if (e.key.keysym.sym == SDL_Keycode.SDLK_ESCAPE)
{
System.Environment.Exit(0);
}
}
}
}
public static Scene Instance
{
get
{
if (instance == null)
{
throw new Exception("Scene not initialized");
}
return instance;
}
}
}

20
src/engine/KeyState.cs Normal file
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using System.Runtime.InteropServices;
using static SDL2.SDL;
class KeyState
{
private byte[] keys;
public KeyState()
{
var origArray = SDL_GetKeyboardState(out var arraySize);
this.keys = new byte[arraySize];
Marshal.Copy(origArray, keys, 0, arraySize);
}
public bool isPressed(SDL_Keycode keycode)
{
byte scanCode = (byte)SDL_GetScancodeFromKey(keycode);
return (this.keys[scanCode] == 1);
}
}

55
src/engine/Renderer.cs Normal file
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using static SDL2.SDL;
class Renderer
{
IntPtr renderer;
public Renderer(Window window)
{
this.renderer = SDL_CreateRenderer(window.GetWindow(), -1, SDL_RendererFlags.SDL_RENDERER_ACCELERATED);
}
public void Clear()
{
SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255);
SDL_RenderClear(renderer);
}
public void Present()
{
SDL_RenderPresent(renderer);
}
public void DrawRect(double x, double y, int w, int h)
{
this.DrawRect((int)x, (int)y, w, h);
}
public void DrawRect(int x, int y, int w, int h)
{
SDL_Rect rect = new SDL_Rect();
rect.x = x;
rect.y = y;
rect.w = w;
rect.h = h;
SDL_RenderFillRect(renderer, ref rect);
}
public void DrawLines(double[][] points)
{
SDL_Point[] sdlPoints = new SDL_Point[points.Length];
for (int i = 0; i < points.Length; i++)
{
sdlPoints[i].x = (int)points[i][0];
sdlPoints[i].y = (int)points[i][1];
}
SDL_RenderDrawLines(renderer, sdlPoints, points.Length);
}
public void setColor(int r, int g, int b, int a = 255)
{
SDL_SetRenderDrawColor(renderer, (byte)r, (byte)g, (byte)b, (byte)a);
}
}

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src/engine/Window.cs Normal file
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using static SDL2.SDL;
class Window
{
IntPtr window;
public Window(string title, int w, int h)
{
window = SDL_CreateWindow(title, SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, w, h, SDL_WindowFlags.SDL_WINDOW_VULKAN);
}
public Window(string title, int x, int y, int w, int h, SDL_WindowFlags flags)
{
this.window = SDL_CreateWindow(title, x, y, w, h, flags);
}
public void Dispose()
{
SDL_DestroyWindow(this.window);
}
public IntPtr GetWindow()
{
return this.window;
}
}

4
src/engine/interfaces/Logic.cs Normal file
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interface Logic
{
public void Update(KeyState keyState, double dx);
}

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src/engine/interfaces/Renderable.cs Normal file
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interface Renderable
{
public void Render(Renderer renderer, double dx);
}

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src/engine/utils/Point.cs Normal file
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class Point
{
public static double Distance(double x1, double y1, double x2, double y2)
{
return Math.Sqrt(Math.Pow(x2 - x1, 2) + Math.Pow(y2 - y1, 2));
}
}

96
src/entities/Asteroid.cs Normal file
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enum Size : int
{
Large = 60,
Medium = 30,
Small = 20
}
class Asteroid : Renderable, Logic
{
const double SPEED = 100;
private double dx, dy;
public double X, Y;
public Size Size;
private double[][] shape;
public Asteroid(double x, double y, double rotation, Size size)
{
this.X = x;
this.Y = y;
this.Size = size;
dx = Math.Cos(rotation) * SPEED;
dy = Math.Sin(rotation) * SPEED;
var random = new Random();
shape = new double[16][];
for (int i = 0; i < shape.Length; i++)
{
var rad = i * Math.PI * 2 / shape.Length;
shape[i] = new double[2];
shape[i][0] = Math.Cos(rad) * (0.5 + random.NextDouble() / 2) * (int)size / 2;
shape[i][1] = Math.Sin(rad) * (0.5 + random.NextDouble() / 2) * (int)size / 2;
}
}
public void Render(Renderer renderer, double dx)
{
renderer.setColor(255, 255, 255);
// renderer.DrawRect(X - (int)Size / 2, Y - (int)Size / 2, (int)Size, (int)Size);
double[][] drawLines = new double[shape.Length + 1][];
for (int i = 0; i < shape.Length; i++)
{
drawLines[i] = new double[2];
drawLines[i][0] = shape[i][0] + X - (int)Size / 2;
drawLines[i][1] = shape[i][1] + Y - (int)Size / 2;
}
drawLines[drawLines.Length - 1] = new double[2];
drawLines[drawLines.Length - 1][0] = shape[0][0] + X - (int)Size / 2;
drawLines[drawLines.Length - 1][1] = shape[0][1] + Y - (int)Size / 2;
renderer.DrawLines(drawLines);
}
public void Update(KeyState keyState, double dx)
{
X += dx * this.dx;
Y += dx * this.dy;
this.X = this.X % Scene.SCREEN_WIDTH;
this.Y = this.Y % Scene.SCREEN_HEIGHT;
if (this.X < 0)
{
this.X += Scene.SCREEN_WIDTH;
}
if (this.Y < 0)
{
this.Y += Scene.SCREEN_HEIGHT;
}
foreach (var shot in Scene.Instance.Shots)
{
if (Point.Distance(shot.X, shot.Y, X, Y) < (int)Size / 2)
{
shot.Destroy();
this.Destroy();
var rotation = Math.Atan2(Y - shot.Y, X - shot.X);
if (Size == Size.Large)
{
Scene.Instance.Asteroids.Add(new Asteroid(X, Y, rotation + Math.PI * 2, Size.Medium));
Scene.Instance.Asteroids.Add(new Asteroid(X, Y, rotation + Math.PI * 2 * 0.3, Size.Medium));
Scene.Instance.Asteroids.Add(new Asteroid(X, Y, rotation + Math.PI * 2 * 0.6, Size.Medium));
}
if (Size == Size.Medium)
{
Scene.Instance.Asteroids.Add(new Asteroid(X, Y, rotation + Math.PI * 2 * 0.3, Size.Small));
Scene.Instance.Asteroids.Add(new Asteroid(X, Y, rotation + Math.PI * 2 * 0.6, Size.Small));
}
break;
}
}
}
public void Destroy()
{
Scene.Instance.Score += (int)Size;
Scene.Instance.Asteroids.Remove(this);
Console.WriteLine("Asteroid destroyed");
Console.WriteLine("Score: " + Scene.Instance.Score);
}
}

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src/entities/Ship.cs Normal file
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using static SDL2.SDL;
class Ship : Logic, Renderable
{
const double SPEED = 0.3;
const double ROTATION_SPEED = 5;
double rotation = 0;
bool thrust = false;
private double dx, dy = 0;
double x;
double y;
DateTime lastShot = DateTime.Now;
public Ship(double x, double y)
{
this.x = x;
this.y = y;
}
public void Update(KeyState keyState, double dt)
{
thrust = false;
if (keyState.isPressed(SDL_Keycode.SDLK_LEFT))
{
rotation -= ROTATION_SPEED * dt;
}
if (keyState.isPressed(SDL_Keycode.SDLK_RIGHT))
{
rotation += ROTATION_SPEED * dt;
}
if (keyState.isPressed(SDL_Keycode.SDLK_UP))
{
thrust = true;
this.dx += Math.Cos(rotation) * SPEED * dt;
this.dy += Math.Sin(rotation) * SPEED * dt;
}
if (keyState.isPressed(SDL_Keycode.SDLK_SPACE) && (DateTime.Now - lastShot).TotalMilliseconds > 200)
{
lastShot = DateTime.Now;
var shot = new Shot(x, y, rotation);
Scene.Instance.Shots.Add(shot);
}
rotation = rotation % (2 * Math.PI);
if (rotation < 0)
{
rotation += 2 * Math.PI;
}
this.x += this.dx;
this.y += this.dy;
this.dx *= 0.9998;
this.dy *= 0.9998;
this.x = this.x % Scene.SCREEN_WIDTH;
this.y = this.y % Scene.SCREEN_HEIGHT;
if (this.x < 0)
{
this.x += Scene.SCREEN_WIDTH;
}
if (this.y < 0)
{
this.y += Scene.SCREEN_HEIGHT;
}
foreach (var asteroid in Scene.Instance.Asteroids)
{
if (Point.Distance(x, y, asteroid.X, asteroid.Y) < (int)asteroid.Size / 2)
{
Scene.Instance.Loose();
}
}
}
public void Render(Renderer renderer, double dx)
{
renderer.setColor(255, 255, 255);
renderer.DrawLines(new double[][] {
new double[]{x + Math.Cos(rotation) * 10, y + Math.Sin(rotation) * 10},
new double[]{x + Math.Cos(rotation + Math.PI * 2 / 3) * 10, y + Math.Sin(rotation + Math.PI * 2 / 3) * 10},
new double[]{x + Math.Cos(rotation + Math.PI * 4 / 3) * 10, y + Math.Sin(rotation + Math.PI * 4 / 3) * 10},
new double[]{x + Math.Cos(rotation) * 10, y + Math.Sin(rotation) * 10}
});
if (thrust)
{
renderer.setColor(255, 0, 0);
// Draw flame behind ship
renderer.DrawLines(new double[][] {
new double[]{x + Math.Cos(rotation + Math.PI * 2 / 3) * 10, y + Math.Sin(rotation + Math.PI * 2 / 3) * 10},
new double[]{x + Math.Cos(rotation + Math.PI * 2 / 3) * 10 + Math.Cos(rotation + Math.PI) * 10, y + Math.Sin(rotation + Math.PI * 2 / 3) * 10 + Math.Sin(rotation + Math.PI) * 10},
new double[]{x + Math.Cos(rotation + Math.PI * 4 / 3) * 10, y + Math.Sin(rotation + Math.PI * 4 / 3) * 10},
new double[]{x + Math.Cos(rotation + Math.PI * 2 / 3) * 10, y + Math.Sin(rotation + Math.PI * 2 / 3) * 10}
});
}
}
}

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src/entities/Shot.cs Normal file
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class Shot : Renderable, Logic
{
const double SPEED = 300;
private double dx, dy;
public double X, Y;
public Shot(double x, double y, double rotation)
{
this.X = x;
this.Y = y;
dx = Math.Cos(rotation) * SPEED;
dy = Math.Sin(rotation) * SPEED;
}
public void Render(Renderer renderer, double dx)
{
renderer.setColor(255, 255, 255);
renderer.DrawRect(X, Y, 2, 2);
}
public void Update(KeyState keyState, double dx)
{
X += dx * this.dx;
Y += dx * this.dy;
if (X < 0 || X > Scene.SCREEN_WIDTH || Y < 0 || Y > Scene.SCREEN_HEIGHT)
{
Destroy();
}
}
public void Destroy()
{
Scene.Instance.Shots.Remove(this);
}
}