quartznet/raylib-cs
2
0
Fork 0
mirror of https://github.com/raylib-cs/raylib-cs synced 2025-07-02 19:13:43 -04:00
Code Activity

Update/merge examples back into main repo (#192)

Browse Source
This commit is contained in:
Chris Dill
2023-08-25 08:08:32 +01:00
committed by GitHub
parent fa682b00ac
commit bcdf8cec5b
320 changed files with 57965 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

122
Examples/Core/Picking3D.cs Normal file
View File

@ -0,0 +1,122 @@
/*******************************************************************************************
*
* raylib [core] example - Picking in 3d mode
*
* This example has been created using raylib 1.3 (www.raylib.com)
* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
*
* Copyright (c) 2015 Ramon Santamaria (@raysan5)
*
********************************************************************************************/
using System.Numerics;
using static Raylib_cs.Raylib;
namespace Examples.Core;
public class Picking3d
{
public static int Main()
{
// Initialization
//--------------------------------------------------------------------------------------
const int screenWidth = 800;
const int screenHeight = 450;
InitWindow(screenWidth, screenHeight, "raylib [core] example - 3d picking");
// Define the camera to look into our 3d world
Camera3D camera;
camera.Position = new Vector3(10.0f, 10.0f, 10.0f);
camera.Target = new Vector3(0.0f, 0.0f, 0.0f);
camera.Up = new Vector3(0.0f, 1.0f, 0.0f);
camera.FovY = 45.0f;
camera.Projection = CameraProjection.CAMERA_PERSPECTIVE;
Vector3 cubePosition = new(0.0f, 1.0f, 0.0f);
Vector3 cubeSize = new(2.0f, 2.0f, 2.0f);
// Picking line ray
Ray ray = new(new Vector3(0.0f, 0.0f, 0.0f), Vector3.Zero);
RayCollision collision = new();
SetTargetFPS(60);
//--------------------------------------------------------------------------------------
// Main game loop
while (!WindowShouldClose())
{
// Update
//----------------------------------------------------------------------------------
UpdateCamera(ref camera, CameraMode.CAMERA_FREE);
if (IsMouseButtonPressed(MouseButton.MOUSE_LEFT_BUTTON))
{
if (!collision.Hit)
{
ray = GetMouseRay(GetMousePosition(), camera);
// Check collision between ray and box
BoundingBox box = new(
cubePosition - cubeSize / 2,
cubePosition + cubeSize / 2
);
collision = GetRayCollisionBox(ray, box);
}
else
{
collision.Hit = false;
}
ray = GetMouseRay(GetMousePosition(), camera);
}
//----------------------------------------------------------------------------------
// Draw
//----------------------------------------------------------------------------------
BeginDrawing();
ClearBackground(Color.RAYWHITE);
BeginMode3D(camera);
if (collision.Hit)
{
DrawCube(cubePosition, cubeSize.X, cubeSize.Y, cubeSize.Z, Color.RED);
DrawCubeWires(cubePosition, cubeSize.X, cubeSize.Y, cubeSize.Z, Color.MAROON);
DrawCubeWires(cubePosition, cubeSize.X + 0.2f, cubeSize.Y + 0.2f, cubeSize.Z + 0.2f, Color.GREEN);
}
else
{
DrawCube(cubePosition, cubeSize.X, cubeSize.Y, cubeSize.Z, Color.GRAY);
DrawCubeWires(cubePosition, cubeSize.X, cubeSize.Y, cubeSize.Z, Color.DARKGRAY);
}
DrawRay(ray, Color.MAROON);
DrawGrid(10, 1.0f);
EndMode3D();
DrawText("Try selecting the box with mouse!", 240, 10, 20, Color.DARKGRAY);
if (collision.Hit)
{
int posX = (screenWidth - MeasureText("BOX SELECTED", 30)) / 2;
DrawText("BOX SELECTED", posX, (int)(screenHeight * 0.1f), 30, Color.GREEN);
}
DrawFPS(10, 10);
EndDrawing();
//----------------------------------------------------------------------------------
}
// De-Initialization
//--------------------------------------------------------------------------------------
CloseWindow();
//--------------------------------------------------------------------------------------
return 0;
}
}