3 files changed, 176 insertions, 0 deletions
diff --git a/src/1-1-walker.c b/src/1-1-walker.c
new file mode 100755
index 0000000..5a905f0
--- /dev/null
+++ b/src/1-1-walker.c
@@ -0,0 +1,55 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdbool.h>
+#include <time.h>
+
+#include <SDL2/SDL.h>
+#include <SDL2/SDL_video.h>
+
+#define PROJECT_NAME "vecotrs-main"
+
+typedef struct {
+    float x;
+    float y;
+} OBJECT;
+
+#include <init.h>
+
+void constructor(int w, int h, OBJECT *obj){
+    obj->x = (float)w/2;
+    obj->y = (float)h/2;
+}
+
+OBJECT init_stuffs(int w, int h){
+    OBJECT obj;
+    constructor(w,h,&obj);
+
+    return obj;
+}
+
+void update(OBJECT *obj){
+    obj->x = obj->x + (rand() % 2 - 0.5);
+    obj->y = obj->y + (rand() % 2 - 0.5);
+}
+
+void show(SDL_Renderer* renderer,OBJECT *obj){
+    SDL_SetRenderDrawColor(renderer,150,50,255,255);
+    SDL_RenderDrawPoint(renderer,obj->x,obj->y);
+}
+
+void draw(SDL_Renderer* renderer,SDL_Window* window, STUFFS *stuff){
+    //SDL_SetRenderDrawColor(renderer,0,0,0,255);
+    //SDL_RenderClear(renderer);
+
+    update(stuff->obj);
+    show(renderer,stuff->obj);
+
+	SDL_RenderPresent(renderer);
+	//SDL_UpdateWindowSurface(window);
+}
+
+void mousePressed(STUFFS *stuff){
+
+}
+
+#include <init.c>
diff --git a/src/1-2-vec-math.c b/src/1-2-vec-math.c
new file mode 100755
index 0000000..d6f38b1
--- /dev/null
+++ b/src/1-2-vec-math.c
@@ -0,0 +1,56 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdbool.h>
+#include <time.h>
+#include "global_objects.c"
+
+#include <SDL2/SDL.h>
+#include <SDL2/SDL_video.h>
+
+#define PROJECT_NAME "vecotrs-main"
+
+typedef struct {
+    Point pos;
+    Point vel;
+} OBJECT;
+
+#include <init.h>
+
+void constructor(int w, int h, OBJECT *obj){
+    obj->pos.x = (float)w/2;
+    obj->pos.y = (float)h/2;
+    obj->vel.x = 1;
+    obj->vel.y = -1;
+}
+
+OBJECT init_stuffs(int w, int h){
+    OBJECT obj;
+    constructor(w,h,&obj);
+
+    return obj;
+}
+
+void update(OBJECT *obj){
+    point_add(&obj->pos, &obj->vel);
+}
+
+void show(SDL_Renderer* renderer,OBJECT *obj){
+    SDL_SetRenderDrawColor(renderer,150,50,255,255);
+    SDL_RenderFillRect(renderer,&(SDL_Rect){.x = obj->pos.x - 5, .y=obj->pos.y - 5, .w = 10, .h = 10});
+}
+
+void draw(SDL_Renderer* renderer,SDL_Window* window, STUFFS *stuff){
+    SDL_SetRenderDrawColor(renderer,0,0,0,255);
+    SDL_RenderClear(renderer);
+
+    update(stuff->obj);
+    show(renderer,stuff->obj);
+
+	SDL_RenderPresent(renderer);
+}
+
+void mousePressed(STUFFS *stuff){
+
+}
+
+#include <init.c>
diff --git a/src/1-3-rand-vec.c b/src/1-3-rand-vec.c
new file mode 100755
index 0000000..9c5f44f
--- /dev/null
+++ b/src/1-3-rand-vec.c
@@ -0,0 +1,65 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdbool.h>
+#include <time.h>
+#include "global_objects.c"
+
+#include <SDL2/SDL.h>
+#include <SDL2/SDL_video.h>
+
+#define PROJECT_NAME "vecotrs-main"
+
+typedef struct {
+    Point pos;
+} OBJECT;
+
+#include <init.h>
+
+float RandomFloat(float min, float max){
+   return ((max - min) * ((float)rand() / RAND_MAX)) + min;
+}
+
+void constructor(int w, int h, OBJECT *obj){
+    obj->pos.x = (float)w/2;
+    obj->pos.y = (float)h/2;
+}
+
+OBJECT init_stuffs(int w, int h){
+    OBJECT obj;
+    constructor(w,h,&obj);
+
+    return obj;
+}
+
+void update(STUFFS *stuff){
+    Point rand_point = {RandomFloat(-1, 1),RandomFloat(-1, 1)};
+    point_set_mag(&rand_point, 1);
+
+    float random_mul = RandomFloat(50, 100);
+    point_mul(&rand_point,&(Point){.x = random_mul, .y = random_mul});
+
+    stuff->obj->pos.x = rand_point.x + (float)stuff->width / 2;;
+    stuff->obj->pos.y = rand_point.y + (float)stuff->height / 2;
+}
+
+void show(SDL_Renderer* renderer,STUFFS *stuff){
+    SDL_SetRenderDrawColor(renderer,150,50,255,255);
+    //SDL_RenderFillRect(renderer,&(SDL_Rect){.x = obj->pos.x - 5, .y=obj->pos.y - 5, .w = 10, .h = 10});
+    SDL_RenderDrawLine(renderer,stuff->width/2,stuff->height/2,stuff->obj->pos.x,stuff->obj->pos.y);
+}
+
+void draw(SDL_Renderer* renderer,SDL_Window* window, STUFFS *stuff){
+    //SDL_SetRenderDrawColor(renderer,0,0,0,255);
+    //SDL_RenderClear(renderer);
+
+    update(stuff);
+    show(renderer,stuff);
+
+	SDL_RenderPresent(renderer);
+}
+
+void mousePressed(STUFFS *stuff){
+
+}
+
+#include <init.c>