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-rw-r--r--shared_cpp/WebglContext.h7
-rw-r--r--shared_cpp/mathlib.h1
2 files changed, 6 insertions, 2 deletions
diff --git a/shared_cpp/WebglContext.h b/shared_cpp/WebglContext.h
index 8064b04..3b6f517 100644
--- a/shared_cpp/WebglContext.h
+++ b/shared_cpp/WebglContext.h
@@ -6,11 +6,13 @@
#include <EGL/egl.h>
struct WebglContext {
- EMSCRIPTEN_WEBGL_CONTEXT_HANDLE context;
+ EMSCRIPTEN_WEBGL_CONTEXT_HANDLE context = 0;
int width = 800;
int height = 600;
void init(const char* query, int inWidth = 800, int inHeight = 600) {
+ if (context != 0) destroy();
+
width = inWidth;
height = inHeight;
emscripten_set_canvas_element_size( query, width, height);
@@ -35,5 +37,6 @@ struct WebglContext {
void destroy() {
emscripten_webgl_destroy_context(context);
+ context = 0;
}
-}; \ No newline at end of file
+};
diff --git a/shared_cpp/mathlib.h b/shared_cpp/mathlib.h
index 0a39195..fd21ae2 100644
--- a/shared_cpp/mathlib.h
+++ b/shared_cpp/mathlib.h
@@ -18,6 +18,7 @@
#define ABS(x) (x < 0 ? -x : x)
#define SIGN(x) (x < 0 ? -1 : 1)
#define PI 3.141592653589793238463
+#define E 2.71828182845904523536
#define DEG_TO_RAD(x) (x * (PI / 180.f))
#define RAD_TO_DEG(x) (x * (180.f / PI))