57 lines
1.6 KiB
C#
57 lines
1.6 KiB
C#
using System.Numerics;
|
|
using System.Runtime.InteropServices;
|
|
using Raylib_cs;
|
|
|
|
|
|
public class RenderDevice
|
|
{
|
|
public int width { get; private set; }
|
|
public int height { get; private set; }
|
|
|
|
private int screenWidth, screenHeight;
|
|
|
|
private Texture2D renderTarget;
|
|
private IntPtr pixelPtr;
|
|
private byte[] pixelData;
|
|
public RenderDevice(int width, int height, int screenWidth, int screenHeight)
|
|
{
|
|
this.width = width;
|
|
this.height = height;
|
|
this.screenWidth = screenWidth;
|
|
this.screenHeight = screenHeight;
|
|
|
|
Image image = Raylib.GenImageColor(width, height, Color.Black);
|
|
renderTarget = Raylib.LoadTextureFromImage(image);
|
|
Raylib.UnloadImage(image);
|
|
|
|
pixelData = new byte[width * height * 4];
|
|
pixelPtr = Marshal.AllocHGlobal(pixelData.Length);
|
|
|
|
}
|
|
|
|
public void render()
|
|
{
|
|
Marshal.Copy(pixelData, 0, pixelPtr, pixelData.Length);
|
|
unsafe
|
|
{
|
|
Raylib.UpdateTexture(renderTarget, (void*)pixelPtr);
|
|
}
|
|
|
|
Raylib.DrawTexturePro(renderTarget, new Rectangle(0,0, width, height), new Rectangle(0, 0, screenWidth, screenHeight), Vector2.Zero, 0f, Color.White);
|
|
}
|
|
|
|
public void SetPixel(int x, int y, float3 color)
|
|
{
|
|
int idx = (y * width + x) * 4;
|
|
pixelData[idx] = (byte)color.r;
|
|
pixelData[idx + 1] = (byte)color.g;
|
|
pixelData[idx + 2] = (byte)color.b;
|
|
pixelData[idx + 3] = 0xFF;
|
|
}
|
|
|
|
public void cleanup()
|
|
{
|
|
Raylib.UnloadTexture(renderTarget);
|
|
Marshal.FreeHGlobal(pixelPtr); // always free after upload
|
|
}
|
|
} |