[orx-mesh] Split MeshData types from orx-obj-loader

orx-mesh/src/commonMain/kotlin/VertexData.kt

@@ -0,0 +1,59 @@
+package org.openrndr.extra.objloader
+
+import org.openrndr.color.ColorRGBa
+import org.openrndr.math.Vector2
+import org.openrndr.math.Vector3
+
+
+/**
+ * Vertex data interface
+ */
+interface IVertexData {
+    /**
+     * Vertex positions
+     */
+    val positions: List<Vector3>
+
+    /**
+     * Vertex normals
+     */
+    val normals: List<Vector3>
+
+    /**
+     * Vertex texture coordinates
+     */
+    val textureCoords: List<Vector2>
+
+    /**
+     * Vertex colors
+     */
+    val colors: List<ColorRGBa>
+
+    /**
+     * Vertex tangents
+     */
+    val tangents: List<Vector3>
+
+    /**
+     * Vertex bitangents
+     */
+    val bitangents: List<Vector3>
+}
+
+class VertexData(
+    override val positions: List<Vector3> = emptyList(),
+    override val normals: List<Vector3> = emptyList(),
+    override val textureCoords: List<Vector2> = emptyList(),
+    override val colors: List<ColorRGBa> = emptyList(),
+    override val tangents: List<Vector3> = emptyList(),
+    override val bitangents: List<Vector3> = emptyList()
+) : IVertexData
+
+class MutableVertexData(
+    override val positions: MutableList<Vector3> = mutableListOf(),
+    override val normals: MutableList<Vector3> = mutableListOf(),
+    override val textureCoords: MutableList<Vector2> = mutableListOf(),
+    override val colors: MutableList<ColorRGBa> = mutableListOf(),
+    override val tangents: MutableList<Vector3> = mutableListOf(),
+    override val bitangents: MutableList<Vector3> = mutableListOf()
+) : IVertexData