drawClear

3 files changed, 16 insertions, 2 deletions

diff --git a/demo.cpp b/demo.cpp
index 948e83c..46a6788 100644
--- a/demo.cpp
+++ b/demo.cpp
@@ -5,6 +5,10 @@ main_loop(FLD& fld, [[maybe_unused]] void *udata)
 {
 	if (fld.drawBegin())
 		return 1;
+
+	fld.drawSetColor(fld.tick%3 == 0, fld.tick%3 == 1, fld.tick%3 == 2);
+	fld.drawClear();
+
 	if (fld.drawEnd())
 		return 1;
 	return 0;
diff --git a/src/FLD.hpp b/src/FLD.hpp
index c00866f..3c4fb01 100644
--- a/src/FLD.hpp
+++ b/src/FLD.hpp
@@ -40,8 +40,9 @@ public:
 
 	[[nodiscard]] Error drawBegin() const;
 	[[nodiscard]] Error drawEnd();
-	[[nodiscard]] Error drawSetColor(float r, float g, float b, float a=-1);
-	[[nodiscard]] Error drawSetColor(const Color& c);
+	Error drawSetColor(float r, float g, float b, float a=-1);
+	Error drawSetColor(const Color& c);
+	Error drawClear() const;
 private:
 	bool shouldQuit = false;
 	struct {
diff --git a/src/drawClear.cpp b/src/drawClear.cpp
new file mode 100644
index 0000000..9d7e595
--- /dev/null
+++ b/src/drawClear.cpp
@@ -0,0 +1,9 @@
+#include "FLD.hpp"
+
+FLD::Error
+FLD::drawClear() const
+{
+	if (SDL_RenderClear(_renderer) < 0)
+		return sdlError();
+	return 0;
+}