added new method for defining, and added adaptive rendering

src/Quad.cpp

@@ -1,23 +1,73 @@
 #include "Quad.h"
-#include <iostream>
 
-Quad::Quad(Vertex topL, Vertex topR, Vertex botR, Vertex botL) {
+/*Quad::Quad(Vector topL, Vector topR, Vector botR, Vector botL) {
   this->topL=topL;
   this->topR=topR;
   this->botR=botR;
   this->botL=botL;
+}*/
+Quad::Quad(Vector topLeft, int width, int height) {
+  topL.x = topLeft.x;
+  topL.y = topLeft.y;
+  topR.x = topLeft.x+width;
+  topR.y = topLeft.y;
+  botR.x = topLeft.x+width;
+  botR.y = topLeft.y-height;
+  botL.x = topLeft.x;
+  botL.y = topLeft.y-height;
+}
+Quad::Quad(Vector corner1,Vector corner2) {
+  topL.x = corner1.x;
+  topL.y = corner1.y;
+  topR.x = corner2.x;
+  topR.y = corner1.x;
+  botR.x = corner2.x;
+  botR.y = corner2.y;
+  botL.x = corner1.x;
+  botL.y = corner2.y;
 }
-
 Quad::Quad() {}
 
-void Quad::setColor(myColor c) {
+void Quad::render(SDL_Renderer *renderer) {
+  uint8_t r,g,b,a;
+  SDL_GetRenderDrawColor(renderer,&r,&g,&b,&a);
+  SDL_SetRenderDrawColor(renderer, color.r,color.g,color.b,color.a);
+  int xstart,xend;
+  if(topL.x > topR.x) {
+    xstart = topR.x;
+    xend = topL.x;
+  } else {
+    xstart = topL.x;
+    xend = topR.x;
+  }
+  int ystart,yend;
+  if(topL.y > botL.y) {
+    ystart = botL.y;
+    yend = topL.y;
+  } else {
+    ystart = topL.y;
+    yend = botL.y;
+  }
+  for(int x=xstart; x<xend; x++) {
+    for(int y=ystart; y<yend; y++) {
+      SDL_RenderDrawPoint(renderer,x,y);
+    }
+  }
+  SDL_SetRenderDrawColor(renderer,r,g,b,a);
+}
+
+void Quad::setColor(Color c) {
   this->color=c;
 }
 
-void Quad::render() {
-  glColor4f(color.r,color.g,color.b,color.a);
-  glVertex3f(topL.x,topL.y,topL.z);
-  glVertex3f(topR.x,topR.y,topR.z);
-  glVertex3f(botR.x,botR.y,botR.z);
-  glVertex3f(botL.x,botL.y,botL.z);
+void Quad::translate(Vector vec) {
+  topL.x += vec.x;
+  topR.x += vec.x;
+  botR.x += vec.x;
+  botL.x += vec.x;
+
+  topL.y += vec.y;
+  topR.y += vec.y;
+  botR.y += vec.y;
+  botL.y += vec.y;
 }

src/Quad.h

@@ -1,13 +1,16 @@
 #include "Color.h"
-#include "Vertex.h"
-#include <GL/glew.h>
+#include "SDL2/SDL.h"
+#include "Vector.h"
 
 class Quad {
   public:
-  myColor color;
-  Vertex topL,topR,botR,botL;
-  Quad(Vertex topL, Vertex topR, Vertex botR, Vertex botL);
+  Color color;
+  Vector topL,topR,botR,botL;
+  //Quad(Vector topL, Vector topR, Vector botR, Vector botL);
+  Quad(Vector topLeft, int width, int height);
+  Quad(Vector corner1, Vector corner2);
   Quad();
-  void setColor(myColor c);
-  void render();
+  void setColor(Color c);
+  void render(SDL_Renderer *renderer);
+  void translate(Vector vec);
 };