lines and lines

1 files changed, 71 insertions, 10 deletions

diff --git a/src/main.c b/src/main.c
index eaf6d3d..1d5fc9e 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1,35 +1,64 @@
+#include <stdlib.h>
+#include <stdio.h>
+
 #include "raylib.h"
 
 
-typedef struct InitConfig {
+typedef struct Config {
     int SCREEN_WIDTH;
     int SCREEN_HEIGHT;
     int ORIGIN_X;
     int ORIGIN_Y;
     char TITLE[20];
     int TARGET_FPS;
-} InitConfig;
+} Config;
+
+typedef struct Line {
+    Vector2 start;
+    Vector2 end;
+    Color color;
+} Line;
+
+typedef struct VectorField {
+    int colSize;
+    int rowSize;
+    int spacing;
+    Line **lines; // col then row
+} VectorField;
 
-void doInitialization(InitConfig config);
-void doDrawing();
+void Initialize(Config config);
+void InitializeVectorField(VectorField *vectorField, int colSize, int rowSize);
+void doDrawing(VectorField *vectorField, int colSize, int rowSize);
 void doUpdate();
 
 int main(void)
 {
-    InitConfig config = {
+    Config config = {
             1500,
             900,
             1500 / 2,
             900 / 2,
-            "Cool shit",
+            "Cool Thing",
             60
     };
-    doInitialization(config);
+    Initialize(config);
+
+    int spacing = 20;
+    int colSize = config.SCREEN_WIDTH / spacing - 1;
+    int rowSize = config.SCREEN_HEIGHT / spacing - 1;
+    Line **lines = NULL;
+    VectorField vectorField = {
+            .colSize = colSize,
+            .rowSize = rowSize,
+            .spacing = spacing,
+            .lines = lines
+    };
+    InitializeVectorField(&vectorField, colSize, rowSize);
 
     while (!WindowShouldClose())
     {
         doUpdate();
-        doDrawing();
+        doDrawing(&vectorField, colSize, rowSize);
     }
 
     CloseWindow();
@@ -37,19 +66,51 @@ int main(void)
     return 0;
 }
 
-void doInitialization(InitConfig config) {
+void Initialize(Config config) {
     InitWindow(config.SCREEN_WIDTH, config.SCREEN_HEIGHT, config.TITLE);
     SetTargetFPS(config.TARGET_FPS);
 }
 
+void MemAllocFailed(char *source) {
+    printf("Memory allocation for %s failed", source);
+    exit(42);
+}
+
+void InitializeVectorField(VectorField *vectorField, int colSize, int rowSize) {
+    vectorField->lines = malloc(rowSize * sizeof(Line*));
+    for (int i = 0; i < rowSize; i++) {
+        vectorField->lines[i] = malloc(colSize * sizeof(Line));
+        for (int j = 0; j < colSize; j++) {
+            Line line = {
+                    .start = {
+                            (float)((j + 1) * vectorField->spacing),
+                            (float)((i + 1) * vectorField->spacing)
+                            },
+                    .end = {
+                            (float)((j + 1) * vectorField->spacing + 10),
+                            (float)((i + 1) * vectorField->spacing - 10)
+                            },
+                    .color = WHITE
+            };
+            vectorField->lines[i][j] = line;
+        }
+    }
+}
+
 void doUpdate() {
     float dt = GetFrameTime();
 }
 
-void doDrawing() {
+void doDrawing(VectorField *vectorField, int colSize, int rowSize) {
     BeginDrawing();
 
     ClearBackground(BLACK);
 
+    for (int i = 0; i < rowSize; i++) {
+        for (int j = 0; j < colSize; j++) {
+            DrawLineV(vectorField->lines[i][j].start, vectorField->lines[i][j].end, vectorField->lines[i][j].color);
+        }
+    }
+
     EndDrawing();
 }
\ No newline at end of file