Merge pull request #7 from nawarian/core_3d_camera_first_person

Add core_3d_camera_first_person example
nawarian · Apr 7, 2021 · add526a · add526a
2 parents fe534df + b197af5
commit add526a
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diff --git a/README.md b/README.md
diff --git a/examples/core/core_3d_camera_first_person.php b/examples/core/core_3d_camera_first_person.php
@@ -0,0 +1,105 @@
+<?php
+
+declare(strict_types=1);
+
+require_once __DIR__ . '/../../vendor/autoload.php';
+
+use Nawarian\Raylib\RaylibFactory;
+use Nawarian\Raylib\Types\{
+    Camera3D,
+    Color,
+    Vector2,
+    Vector3
+};
+
+$raylibFactory = new RaylibFactory();
+$raylib = $raylibFactory->newInstance();
+
+const MAX_COLUMNS = 20;
+
+// Initialization
+//--------------------------------------------------------------------------------------
+$screenWidth = 800;
+$screenHeight = 450;
+
+$raylib->initWindow($screenWidth, $screenHeight, "raylib [core] example - 3d camera first person");
+
+// Define the camera to look into our 3d world (position, target, up vector)
+$camera = new Camera3D(
+    new Vector3(4.0, 2.0, 4.0),
+    new Vector3(0.0, 1.8, 0.0),
+    new Vector3(0.0, 1.0, 0.0),
+    60.0,
+    Camera3D::PROJECTION_PERSPECTIVE,
+);
+
+// Generates some random columns
+$heights = [];
+$positions = [];
+$colors = [];
+
+for ($i = 0; $i < MAX_COLUMNS; $i++) {
+    $heights[$i] = (float) $raylib->getRandomValue(1, 12);
+    $positions[$i] = new Vector3(
+        $raylib->getRandomValue(-15, 15),
+        $heights[$i] / 2.0,
+        $raylib->getRandomValue(-15, 15),
+    );
+
+    $colors[$i] = new Color($raylib->getRandomValue(20, 255), $raylib->getRandomValue(10, 55), 30, 255);
+}
+
+$raylib->setCameraMode($camera, Camera3D::MODE_FIRST_PERSON); // Set a first person camera mode
+
+$raylib->setTargetFPS(60);                           // Set our game to run at 60 frames-per-second
+//--------------------------------------------------------------------------------------
+
+// Main game loop
+while (!$raylib->windowShouldClose()) {               // Detect window close button or ESC key
+    // Update
+    //----------------------------------------------------------------------------------
+    $raylib->updateCamera($camera);                  // Update camera
+    //----------------------------------------------------------------------------------
+
+    // Draw
+    //----------------------------------------------------------------------------------
+    $raylib->beginDrawing();
+
+        $raylib->clearBackground(Color::rayWhite());
+
+        // phpcs:disable Generic.WhiteSpace.ScopeIndent.IncorrectExact
+        $raylib->beginMode3D($camera);
+
+            $raylib->drawPlane(
+                new Vector3(0.0, 0.0, 0.0),
+                new Vector2(32.0, 32.0),
+                Color::lightGray()
+            ); // Draw ground
+            $raylib->drawCube(new Vector3(-16.0, 2.5, 0.0), 1.0, 5.0, 32.0, Color::blue());     // Draw a blue wall
+            $raylib->drawCube(new Vector3(16.0, 2.5, 0.0), 1.0, 5.0, 32.0, Color::lime());      // Draw a green wall
+            $raylib->drawCube(new Vector3(0.0, 2.5, 16.0), 32.0, 5.0, 1.0, Color::gold());      // Draw a yellow wall
+
+            // Draw some cubes around
+            for ($i = 0; $i < MAX_COLUMNS; $i++) {
+                $raylib->drawCube($positions[$i], 2.0, $heights[$i], 2.0, $colors[$i]);
+                $raylib->drawCubeWires($positions[$i], 2.0, $heights[$i], 2.0, Color::maroon());
+            }
+
+        $raylib->endMode3D();
+        // phpcs:enable Generic.WhiteSpace.ScopeIndent.IncorrectExact
+
+        $raylib->drawRectangle(10, 10, 220, 70, $raylib->fade(Color::skyBlue(), 0.5));
+        $raylib->drawRectangleLines(10, 10, 220, 70, Color::blue());
+
+        $raylib->drawText("First person camera default controls:", 20, 20, 10, Color::black());
+        $raylib->drawText("- Move with keys: W, A, S, D", 40, 40, 10, Color::darkGray());
+        $raylib->drawText("- Mouse move to look around", 40, 60, 10, Color::darkGray());
+
+    $raylib->endDrawing();
+    //----------------------------------------------------------------------------------
+}
+
+// De-Initialization
+//--------------------------------------------------------------------------------------
+$raylib->closeWindow();        // Close window and OpenGL context
+//--------------------------------------------------------------------------------------