From c322c17a69fc756b494124d4deab6909ee9134cb Mon Sep 17 00:00:00 2001
From: realtradam <github@tradam.dev>
Date: Thu, 22 Jun 2023 20:30:29 -0400
Subject: implement 2d camera system

---
 include/rodeo/gfx.h   | 13 +++++++++++++
 include/rodeo/gfx_t.h | 11 +++++++++++
 2 files changed, 24 insertions(+)

(limited to 'include')

diff --git a/include/rodeo/gfx.h b/include/rodeo/gfx.h
index 15ce3ad..07d8430 100644
--- a/include/rodeo/gfx.h
+++ b/include/rodeo/gfx.h
@@ -147,6 +147,19 @@ rodeo_gfx_matrix_size(void);
 uint32_t
 rodeo_gfx_matrix_capacity(void);
 
+void
+rodeo_gfx_camera_2d_begin(rodeo_gfx_camera_2d_t camera);
+
+void
+rodeo_gfx_camera_2d_end(void);
+
+#define \
+mrodeo_gfx_camera_do(camera) \
+	mrodeo_defer_do( \
+		rodeo_gfx_camera_2d_begin(camera), \
+		rodeo_gfx_camera_2d_end() \
+	)
+
 #define \
 mrodeo_gfx_scissor_do(rectangle) \
 	mrodeo_defer_do( \
diff --git a/include/rodeo/gfx_t.h b/include/rodeo/gfx_t.h
index 63811c5..3d206c2 100644
--- a/include/rodeo/gfx_t.h
+++ b/include/rodeo/gfx_t.h
@@ -3,6 +3,7 @@
 // -- internal --
 // public
 #include "rodeo_types.h"
+#include "rodeo/math/vec2_t.h"
 // -- system --
 #include <inttypes.h>
 
@@ -67,3 +68,13 @@ rodeo_gfx_vertex_t;
 
 typedef uint16_t rodeo_gfx_index_t;
 
+typedef
+struct
+{
+	rodeo_math_vec2_t target;
+	float turns;
+	float zoom;
+	rodeo_math_vec2_t offset;
+}
+rodeo_gfx_camera_2d_t;
+
-- 
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