1 files changed, 29 insertions, 0 deletions
diff --git a/gfx/gl/billboardPainter.h b/gfx/gl/billboardPainter.h
new file mode 100644
index 0000000..617f431
--- /dev/null
+++ b/gfx/gl/billboardPainter.h
@@ -0,0 +1,29 @@
+#pragma once
+
+#include "gfx/models/mesh.h"
+#include "gfx/models/texture.h"
+#include "glFramebuffer.h"
+#include "program.h"
+
+class LightDirection;
+
+class BillboardPainter {
+public:
+	template<typename T> static constexpr T VIEW_ANGLES = 8;
+
+	BillboardPainter();
+
+	static void configureBillBoardTextures(glTextures<GL_TEXTURE_2D_ARRAY, 3> &, ImageDimensions);
+	void setView(Angle angle, const glm::mat4 &);
+	[[nodiscard]] Angle getAngle() const;
+	void renderBillBoard(const glTextures<GL_TEXTURE_2D_ARRAY, 3> &, const MeshBase &, Texture::AnyPtr texture) const;
+
+private:
+	mutable glFramebuffer fbo;
+	Program program;
+	Program::RequiredUniformLocation viewProjectionLoc {program, "viewProjection"};
+	Program::RequiredUniformLocation viewLoc {program, "view"};
+
+	Angle angle;
+	glm::mat4 view;
+};