Basic transform stuff

src/dawn/display/mesh/CMakeLists.txt

@@ -6,6 +6,7 @@
 # Sources
 target_sources(${DAWN_TARGET_NAME}
   PRIVATE
+    CubeMesh.cpp
     TriangleMesh.cpp
     QuadMesh.cpp
 )

src/dawn/display/mesh/CubeMesh.cpp

@@ -0,0 +1,64 @@
+// Copyright (c) 2022 Dominic Masters
+// 
+// This software is released under the MIT License.
+// https://opensource.org/licenses/MIT
+
+#include "CubeMesh.hpp"
+
+using namespace Dawn;
+
+void CubeMesh::buffer(
+  Mesh &mesh,
+  glm::vec3 pos, glm::vec3 size,
+  int32_t verticeStart, int32_t indiceStart
+) {
+  mesh.bufferPositions(verticeStart, std::array<glm::vec3, 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
+  }});
+
+  mesh.bufferCoordinates(verticeStart,std::array<glm::vec2,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)
+  }});
+
+  mesh.bufferIndices(indiceStart, std::array<meshindice_t, 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
+  }});
+}

src/dawn/display/mesh/CubeMesh.hpp

@@ -0,0 +1,21 @@
+// Copyright (c) 2022 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:
+      static void buffer(
+        Mesh &mesh,
+        glm::vec3 pos, glm::vec3 size,
+        int32_t verticeStart, int32_t indiceStart
+      );
+  };
+}