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src/display/primitives/skywall.h

@@ -0,0 +1,28 @@
+// Copyright (c) 2021 Dominic Masters
+// 
+// This software is released under the MIT License.
+// https://opensource.org/licenses/MIT
+
+#pragma once
+#include <dawn/dawn.h>
+#include "../primitive.h"
+
+/** How many slices in each cylinder. */
+#define SKYWALL_SLICE_COUNT 20
+
+/** How many vertices per slice */
+#define SKYWALL_VERTICES_PER_SLICE 2
+
+/** How many indices per slice */
+#define SKYWALL_INDICES_PER_SLICE 6
+
+/** How many vertices in the cylinder, +1 to have the cylinder "wrap" */
+#define SKYWALL_VERTICE_COUNT (SKYWALL_SLICE_COUNT+1)*SKYWALL_VERTICES_PER_SLICE
+
+/** How many indices in the cylinder */
+#define SKYWALL_INDICE_COUNT SKYWALL_INDICES_PER_SLICE*SKYWALL_SLICE_COUNT
+
+/** How big the skywall cylinder is */
+#define SKYWALL_SIZE 100
+
+void skywallInit(primitive_t *primitive);