comments and new random

random/rotation_in_just_math.cpp

@@ -0,0 +1,68 @@
+
+#include <raymath.h>
+#include <cstdio>
+
+int main(int argc, char const *argv[])
+{
+  std::printf("\n\n\n");
+
+  Vector2 mousePosition = {.x = 15, .y = 10};
+  Vector2 mouseStart;
+  Vector2 orgPosition = {.x = 0, .y = 10};
+  float screenWidth = 30;
+
+	mouseStart = mousePosition;
+	
+  std::printf("MouseStart x:%f, y:%f\n", mouseStart.x, mouseStart.y);
+  std::printf("orgPosition x:%f, y:%f\n", orgPosition.x, orgPosition.y);
+	
+  // distance betwen corner of image and mouse startPoint
+	float len = Vector2Distance(mouseStart, orgPosition);
+  std::printf("len %f\n", len);
+	// angle in rad betwen mouse and image corner
+
+  float atan2x = orgPosition.x - mouseStart.x;
+  float atan2y = orgPosition.y - mouseStart.y;
+  std::printf("atan2 x:%f, y:%f\n", atan2x, atan2y);
+
+	float angleOfset = std::atan2( orgPosition.y - mouseStart.y, orgPosition.x - mouseStart.x);
+  std::printf("angleOffset %f\n", angleOfset);
+
+
+  mousePosition = {.x = 20, .y = 10};
+
+	// get distance that mouse has moved from original press location
+	// can be positive or negative if mouse start on right side and
+	// end on left it will be 0 - 100 so -100 dist
+	float dist = mousePosition.x - mouseStart.x;
+  printf("dist: %f\n", dist);
+	// this value can get from -1 to 1 based on if we swipe left or right
+	float l = dist / screenWidth;
+  printf("l: %f\n", l);
+	// first convert range of -1 to 1 to 0 to 1
+	// then change to degres from 45 to -45
+	float rotation = Lerp(45.0f, -45.0f, (l + 1) / 2);
+  printf("rotation: %f\n", rotation);
+	// convert to radians
+	float angle = ((rotation)*PI) / 180.0f;
+  printf("angle: %f\n", angle);
+	angle += angleOfset;
+
+  printf("angle + angleOfser: %f\n", angle);
+	
+  // vector betwen image corrner and mouse
+	Vector2 newCornerVec = {.x = len * std::cos(angle), .y = len * std::sin(angle)};
+  
+  printf("newCornerVec x: %f, y:%f \n", newCornerVec.x, newCornerVec.y); 
+
+	// get global vector where to draw image
+
+  Vector2 newPosition;
+  newPosition.x = newCornerVec.x + mousePosition.x;
+  newPosition.y = newCornerVec.y + mousePosition.y;
+  printf("New position x: %f, y:%f \n", newPosition.x, newPosition.y); 
+  printf("Draw image at this angle %f\n", rotation + 90);
+
+
+  return 0;
+}

server/src/server.cpp

@@ -90,7 +90,7 @@ BlockedList blockedList;
 void call(int sock, sockaddr_in newSocketInfo)
 {
   std::string add = TcpSocket::remoteAddress(newSocketInfo);
-  printf("new: %s\n", add.c_str());
+  //printf("new: %s\n", add.c_str());
   int64_t conf, id;
   Message message;
 
@@ -99,7 +99,7 @@ void call(int sock, sockaddr_in newSocketInfo)
 
   if (conf != StartHeader)
   {
-    printf("StartHeader ERROR\n");
+    //printf("StartHeader ERROR\n");
     TcpSocket::closet(sock);
     //blockedList.addWarning(newSocketInfo.sin_addr.s_addr);
     return;
@@ -107,7 +107,7 @@ void call(int sock, sockaddr_in newSocketInfo)
 
   if (id == 0)
   {
-    printf("ID ERROR\n");
+    //printf("ID ERROR\n");
     TcpSocket::closet(sock);
     //blockedList.addWarning(newSocketInfo.sin_addr.s_addr);
     return;
@@ -144,12 +144,12 @@ void call(int sock, sockaddr_in newSocketInfo)
 
   sqlite3_stmt *insert_user_stmt;
   sql::prepare_v2(db, insert_user_data, -1, &insert_user_stmt, NULL);
-
+  // limit how many gen they can send so some cant just come to here and start sendding random data.
   while (ok)
   {
     message.mess = Mess::REQ_SEND_GEN;
     message.data = gen;
-    printf("requesting gen %ld\n", gen);
+    //printf("requesting gen %ld\n", gen);
     TcpSocket::sendt(sock, &message, sizeof(Message));
     TcpSocket::recvt(sock, &message, sizeof(Message));
 
@@ -187,7 +187,7 @@ void call(int sock, sockaddr_in newSocketInfo)
   sql::finalize(insert_liked_stmt);
 
   sql::close(db);
-  printf("del\n");
+  //printf("del\n");
   TcpSocket::closet(sock);
 }