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src/dawn/display/mesh/CMakeLists.txt

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+# Copyright (c) 2022 Dominic Masters
+# 
+# This software is released under the MIT License.
+# https://opensource.org/licenses/MIT
+
+# Sources
+target_sources(${DAWN_TARGET_NAME}
+  PRIVATE
+    CubeMesh.cpp
+)

src/dawn/display/mesh/CubeMesh.cpp

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+// Copyright (c) 2023 Dominic Masters
+// 
+// This software is released under the MIT License.
+// https://opensource.org/licenses/MIT
+
+#include "CubeMesh.hpp"
+
+using namespace Dawn;
+
+void Dawn::CubeMesh::buffer(
+  const std::shared_ptr<Mesh> mesh,
+  const glm::vec3 pos,
+  const glm::vec3 size,
+  const int32_t verticeStart,
+  const int32_t indiceStart
+) {
+  glm::vec3 positions[CUBE_VERTICE_COUNT] = {
+    pos, 
+    glm::vec3(pos.x+size.x, pos.y, pos.z),
+    glm::vec3(pos.x, pos.y+size.y, pos.z),
+    glm::vec3(pos.x+size.x, pos.y+size.y, pos.z),
+
+    glm::vec3(pos.x, pos.y, pos.z+size.z),
+    glm::vec3(pos.x+size.x, pos.y, pos.z+size.z),
+    glm::vec3(pos.x, pos.y+size.y, pos.z+size.z),
+    pos + size
+  };
+
+  glm::vec2 coordinates[CUBE_VERTICE_COUNT] = {
+    glm::vec2(0, 0),
+    glm::vec2(1, 0),
+    glm::vec2(0, 1),
+    glm::vec2(1, 1),
+
+    glm::vec2(0, 0),
+    glm::vec2(1, 0),
+    glm::vec2(0, 1),
+    glm::vec2(1, 1)
+  };
+
+  int32_t indices[CUBE_INDICE_COUNT] = {
+    // Back
+    verticeStart, verticeStart + 1, verticeStart + 3,
+    verticeStart, verticeStart + 2, verticeStart + 3,
+
+    // Right
+    verticeStart + 1, verticeStart + 5, verticeStart + 7,
+    verticeStart + 1, verticeStart + 3, verticeStart + 7,
+
+    // Left
+    verticeStart + 4, verticeStart, verticeStart + 2,
+    verticeStart + 4, verticeStart + 6, verticeStart + 2,
+
+    // Front
+    verticeStart + 5, verticeStart + 4, verticeStart + 6,
+    verticeStart + 5, verticeStart + 7, verticeStart + 6,
+
+    // Top
+    verticeStart + 7, verticeStart + 2, verticeStart + 6,
+    verticeStart + 7, verticeStart + 3, verticeStart + 2,
+
+    // Bottom
+    verticeStart + 1, verticeStart, verticeStart + 4,
+    verticeStart + 1, verticeStart + 4, verticeStart + 5
+  };
+  
+  mesh->bufferPositions(verticeStart, positions, CUBE_VERTICE_COUNT);
+  mesh->bufferCoordinates(verticeStart, coordinates, CUBE_VERTICE_COUNT);
+  mesh->bufferIndices(indiceStart, indices, CUBE_INDICE_COUNT);
+}

src/dawn/display/mesh/CubeMesh.hpp

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+// Copyright (c) 2023 Dominic Masters
+// 
+// This software is released under the MIT License.
+// https://opensource.org/licenses/MIT
+
+#pragma once
+#include "display/mesh/Mesh.hpp"
+
+#define CUBE_VERTICE_COUNT 8
+#define CUBE_INDICE_COUNT 36
+
+namespace Dawn {
+  class CubeMesh {
+    public:
+      /**
+       * Buffers cube mesh vertices and indices into the given mesh.
+       * 
+       * @param size The size of the cube.
+       * @param verticeStart The starting index of the vertices.
+       * @param indiceStart The starting index of the indices.
+       */
+      static void buffer(
+        const std::shared_ptr<Mesh> mesh,
+        const glm::vec3 pos,
+        const glm::vec3 size,
+        const int32_t verticeStart,
+        const int32_t indiceStart
+      );
+  };
+}