separated the smoke-text effect to reuse it in multiple parts if

[dosdemo] / src / smoketxt.h

diff --git a/src/smoketxt.h b/src/smoketxt.h
new file mode 100644 (file)
index 0000000..42ba49d
--- /dev/null
+++ b/src/smoketxt.h
@@ -0,0 +1,21 @@
+#ifndef SMOKE_TEXT_H_
+#define SMOKE_TEXT_H_
+
+struct smktxt;
+
+struct smktxt *create_smktxt(const char *imgname, const char *vfieldname);
+void destroy_smktxt(struct smktxt *stx);
+
+int gen_smktxt_vfield(struct smktxt *stx, int xres, int yres, float xfreq, float yfreq);
+int dump_smktxt_vfield(struct smktxt *stx, const char *fname);
+
+void set_smktxt_wind(struct smktxt *stx, float x, float y, float z);
+void set_smktxt_plife(struct smktxt *stx, float life);
+void set_smktxt_pcount(struct smktxt *stx, int count);
+void set_smktxt_drag(struct smktxt *stx, float drag);
+
+void update_smktxt(struct smktxt *stx, float dt);
+void draw_smktxt(struct smktxt *stx);
+
+
+#endif /* SMOKE_TEXT_ */