wires

src/button.c

@@ -31,21 +31,22 @@ void DrawButton(Button *button, Cube *cube)
             },
         });
 
+    Color color;
     if (pressed)
     {
         button->height = MIN(cube->position.y - cube->edge / 2.0f + 0.01f, 0.1f);
-        button->color = GREEN;
+        color = button->colorEnabled;
         button->pressed = true;
         cube->minY = cube->edge / 2.0f + 0.02f;
     }
     else
     {
         button->height = MIN(0.1f, button->height + 0.01f);
-        button->color = PINK;
+        color = button->colorDisabled;
         button->pressed = false;
         cube->minY = cube->edge / 2.0f + 0.01f;
     }
 
-    DrawCube(button->position, button->length, button->height, button->length, button->color);
+    DrawCube(button->position, button->length, button->height, button->length, color);
     DrawCubeWires(button->position, button->length, button->height, button->length, button->wiresColor);
 }

src/button.h

@@ -8,7 +8,8 @@ typedef struct
     Vector3 position;
     float length;
     float height;
-    Color color;
+    Color colorEnabled;
+    Color colorDisabled;
     Color wiresColor;
     bool pressed;
 } Button;

src/level00.c

@@ -3,34 +3,58 @@
 #include "player.h"
 #include "raylib.h"
 #include "screen.h"
+#include "wire.h"
 #include <stddef.h>
 #include <stdio.h>
 
-Button button = {
-    .position = (Vector3){0.0f, 0.0f, -5.0f},
-    .length = 1.0f,
-    .height = 0.1f,
-    .color = PINK,
-    .wiresColor = BLACK,
-    .pressed = false,
-};
-
-Cube cube = {
-    .initialized = false,
-    .position = (Vector3){0.0f, 0.5f, 0.0f},
-    .minY = 0.4f + 0.01f,
-    .edge = 0.8f,
-    .color = RED,
-    .wiresColor = BLACK,
-    .grabbed = false,
-};
+static bool level_started = false;
 
 void DrawLevel00(Player *player)
 {
-    if (!cube.initialized)
+    static Button button = {
+        .position = (Vector3){0.0f, 0.0f, -5.0f},
+        .length = 1.0f,
+        .height = 0.1f,
+        .colorEnabled = GREEN,
+        .colorDisabled = RED,
+        .wiresColor = BLACK,
+        .pressed = false,
+    };
+
+    static Wire wire = {
+        .power = &button,
+        .colorEnabled = GREEN,
+        .colorDisabled = BLACK,
+    };
+
+    static Cube cube = {
+        .position = (Vector3){0.0f, 0.5f, 0.0f},
+        .minY = 0.4f + 0.01f,
+        .edge = 0.8f,
+        .color = RED,
+        .wiresColor = BLACK,
+        .grabbed = false,
+    };
+
+    if (!level_started)
     {
+        level_started = true;
+
         cube.model = LoadModelFromMesh(GenMeshCube(cube.edge, cube.edge, cube.edge));
-        cube.initialized = true;
+
+        float wireW = 0.1f;
+        float wireH = 0.1f;
+        float wireL = 5.0f;
+        float wireZ = button.position.z - wireL / 2.0f - button.length / 2.0f;
+        Vector3 wirePos = {0.0f, wireH / 2.0f, wireZ};
+        WireAppend(&wire, wirePos, wireW, wireH, wireL);
+
+        wireZ -= wireL / 2.0f;
+        wireW = 5.0f;
+        wireH = 0.1f;
+        wireL = 0.1f;
+        wirePos = (Vector3){wireW / 2.0f, wireH / 2.0f, wireZ};
+        WireAppend(&wire, wirePos, wireW, wireH, wireL);
     }
 
     const int floorExtent = 25;
@@ -56,4 +80,5 @@ void DrawLevel00(Player *player)
 
     MyDrawCube(&cube);          // Draw a cube
     DrawButton(&button, &cube); // Draw a button
+    DrawWire(&wire);            // Draw a wire
 }

src/wire.c

@@ -0,0 +1,36 @@
+#include "wire.h"
+#include "raylib.h"
+#include <stdlib.h>
+
+void WireAppend(Wire *wire, Vector3 position, float width, float height, float length)
+{
+    if (!wire->nodes)
+    {
+        wire->nodes_capasity = DEFAULT_WIRES_CAPASITY;
+        wire->nodes = calloc(wire->nodes_capasity, sizeof(WireNode));
+    }
+
+    if (wire->nodes_count == wire->nodes_capasity)
+    {
+        wire->nodes_capasity *= 1.5;
+        wire->nodes = realloc(wire->nodes, sizeof(WireNode) * wire->nodes_capasity);
+    }
+
+    WireNode *node = &wire->nodes[wire->nodes_count++];
+    node->position = position;
+    node->width = width;
+    node->height = height;
+    node->length = length;
+}
+
+void DrawWire(Wire *wire)
+{
+    Color color = wire->power->pressed ? wire->colorEnabled : wire->colorDisabled;
+
+    WireNode *node;
+    for (int i = 0; i < wire->nodes_count; ++i)
+    {
+        node = &wire->nodes[i];
+        DrawCube(node->position, node->width, node->height, node->length, color);
+    }
+}

src/wire.h

@@ -0,0 +1,32 @@
+#ifndef WIRE_H
+#define WIRE_H
+
+#include "button.h"
+#include "raylib.h"
+#include <stddef.h>
+
+#define DEFAULT_WIRES_CAPASITY 4
+
+typedef struct
+{
+    Vector3 position;
+    float width;
+    float height;
+    float length;
+} WireNode;
+
+typedef struct
+{
+    Button *power;
+    WireNode *nodes;
+    size_t nodes_count;
+    size_t nodes_capasity;
+    Color colorEnabled;
+    Color colorDisabled;
+} Wire;
+
+void WireAppend(Wire *wire, Vector3 position, float width, float height, float length);
+
+void DrawWire(Wire *wire);
+
+#endif // WIRE_H