Another python demo, (enter to toggle between editor and demos, T to switch between demos), added code to delete modules from python VM so they get reloaded properly on code changes.

python/blobs.py

@@ -15,8 +15,8 @@ class Blobs(Scene):
     def draw(self):
         clear(0)
 
-        for i in range(128):
-            for j in range(128):
+        for i in range(width):
+            for j in range(height):
                 c = cos(i / 10) + (sin(j / 10) + 2)
                 #c2 = cos(i / 5) + sin(j / 5)
                 pixel(i, j, 2 * c + self.t)

python/main.py

@@ -3,7 +3,7 @@ from particles import Particles
 from triangles import Triangles
 from squares import Squares
 from blobs import Blobs
-from mechanical import Mechanical
+from threeD import ThreeD
 
 # Palette class (inherits from scene)
 class Palette(Scene):
@@ -29,11 +29,9 @@ class RGBTest(Scene):
         self.title = "RGB To Palette"
 
 
-scenes = [Particles(), Triangles(), Palette(), Squares(), Blobs()]
+scenes = [  ThreeD(), Particles(), Squares(), Triangles(), Palette(),  Blobs()]
 current_scene = 0
 
-
-
 KEY_T = 84
 
 switch = False
@@ -53,3 +51,6 @@ def update():
     if(not scenes[current_scene].paused):
         scenes[current_scene].update()
     scenes[current_scene].draw()
+
+    text("T to change scene", 255, 1,31)
+

python/threeD.py

@@ -0,0 +1,159 @@
+from scene import Scene
+from triangles import draw_line
+import math
+
+# Palette class (inherits from scene)
+class ThreeD(Scene):
+
+
+    def __init__(self):
+        super().__init__()
+        self.title = "Squares"
+        self.t = 0
+
+        self.x = 0.01
+        self.y = 0
+        self.z = 0
+
+        self.a = 10
+        self.b = 28
+        self.c = 8.0/3.0
+
+        self.scale = 5
+
+        self.focal_length = 800
+        self.screen_width = width * 4
+        self.screen_height = height * 4
+        self.lines = []
+
+        self.points = []
+
+        self.gradient = [4, 8, 6, 15, 18, 19, 26, 25, 24, 23, 16, 23, 22, 7, 5]
+
+    def update(self):
+        self.t += 0.00002
+
+        
+        if(len(self.points) > 1200):
+            return
+        
+        dx = (self.a * (self.y - self.x)) * self.t
+        dy = (self.x * (self.b - self.z) - self.y) * self.t
+        dz = (self.x * self.y - self.c * self.z) * self.t
+        self.x += dx
+        self.y += dy
+        self.z += dz
+
+        self.points.append((self.x, self.y, self.z))
+
+    def line3D(self,  x1, y1, z1, x2, y2, z2, c):
+        self.lines.append(((x1, y1,  z1), (x2, y2, z2), c))
+
+
+    def draw(self):
+       
+        self.lines.clear()
+        clear(0)
+        for i in range(len(self.points)):
+            size = len(self.points)
+
+            if(i < size - 1):
+                x, y, z = self.points[i]
+                x2, y2, z2 = self.points[i + 1]
+
+                x *= self.scale
+                y *= self.scale
+                z *= self.scale
+                x2 *= self.scale
+                y2 *= self.scale
+                z2 *= self.scale
+
+                self.line3D(x, y, z, x2, y2, z2, self.gradient[int(i / 5) % len(self.gradient)])
+
+        self.render_scene(self.focal_length, self.screen_width, self.screen_height, 0, self.t*500, self.t * 200, 0, 0, 300)
+
+
+    def rotate_point(self, x, y, z, angle_x, angle_y, angle_z):
+        """Rotates a point around the X, Y, and Z axes."""
+        # Rotation around the X axis
+        cos_x, sin_x = math.cos(angle_x), math.sin(angle_x)
+        y, z = y * cos_x - z * sin_x, y * sin_x + z * cos_x
+
+        # Rotation around the Y axis
+        cos_y, sin_y = math.cos(angle_y), math.sin(angle_y)
+        x, z = x * cos_y + z * sin_y, -x * sin_y + z * cos_y
+
+        # Rotation around the Z axis
+        cos_z, sin_z = math.cos(angle_z), math.sin(angle_z)
+        x, y = x * cos_z - y * sin_z, x * sin_z + y * cos_z
+
+        return x, y, z
+
+    def project_point(self, x, y, z, focal_length, screen_width, screen_height, angle_x, angle_y, angle_z,  translate_x, translate_y, translate_z):
+
+        x, y, z = self.rotate_point(x, y, z, angle_x, angle_y, angle_z)
+
+        # Apply translation
+        x += translate_x
+        y += translate_y
+        z += translate_z
+
+        """Projects a 3D point onto a 2D screen using perspective projection."""
+        if z == 0:
+            z = 0.001  # Avoid division by zero
+
+        # Perspective projection formula
+        screen_x = (x * focal_length) / z
+        screen_y = (y * focal_length) / z
+
+        # Translate to screen coordinates (centered)
+        screen_x += screen_width / 2
+        screen_y += screen_height / 2
+
+        return screen_x, screen_y
+
+    def z_sort_lines(self, lines):
+        """Sorts lines based on their average Z values for depth ordering."""
+        return sorted(lines, key=lambda line: (line[0][2] + line[1][2]) / 2, reverse=True)
+
+    def draw_3d_line(self, x1, y1, z1, x2, y2, z2, focal_length, screen_width, screen_height, color, angle_x, angle_y, angle_z,  translate_x, translate_y, translate_z):
+        """Draws a 3D line projected onto a 2D screen."""
+        # Project the endpoints
+        screen_x1, screen_y1 = self.project_point(x1, y1, z1, focal_length, screen_width, screen_height, angle_x, angle_y, angle_z,  translate_x, translate_y, translate_z)
+        screen_x2, screen_y2 = self.project_point(x2, y2, z2, focal_length, screen_width, screen_height, angle_x, angle_y, angle_z,  translate_x, translate_y, translate_z)
+
+        # Use the renderer to draw the line on the screen
+        draw_line(int(screen_x1) / 4, int(screen_y1) / 4, int(screen_x2) / 4, int(screen_y2) / 4, color)
+
+    def render_scene(self, focal_length, screen_width, screen_height, angle_x, angle_y, angle_z,  translate_x, translate_y, translate_z):
+        """Renders the 3D lines in the scene with perspective projection and Z-sorting."""
+        # Sort the lines by Z value (depth)
+        sorted_lines = self.z_sort_lines(self.lines)
+        i = 0
+        # Draw each line
+        for line in sorted_lines:
+            (x1, y1, z1), (x2, y2, z2), c = line
+            self.draw_3d_line(x1, y1, z1, x2, y2, z2, focal_length, screen_width, screen_height, c, angle_x, angle_y, angle_z,  translate_x, translate_y, translate_z)
+            i += 1
+
+# Example usage
+# renderer is an object that has a draw_line(x1, y1, x2, y2) function
+liines = [
+    ((-50, -50, -50), (50, -50, -50)),
+    ((50, -50, -50), (50, 50, -50)),
+    ((50, 50, -50), (-50, 50, -50)),
+    ((-50, 50, -50), (-50, -50, -50)),
+    ((-50, -50, 50), (50, -50, 50)),
+    ((50, -50, 50), (50, 50, 50)),
+    ((50, 50, 50), (-50, 50, 50)),
+    ((-50, 50, 50), (-50, -50, 50)),
+    ((-50, -50, -50), (-50, -50, 50)),
+    ((50, -50, -50), (50, -50, 50)),
+    ((50, 50, -50), (50, 50, 50)),
+    ((-50, 50, -50), (-50, 50, 50)),
+]
+
+
+
+# Assuming you have a renderer object
+

src/States/Editor/EditorState.cpp

@@ -14,7 +14,7 @@
 EditorState::EditorState(pkpy::VM *vm, Graphics *graphics) : m_vm(vm), m_graphics(graphics){
     m_pythonTokenizer = new PythonTokenizer();
 
-    std::string randomSource = Pycron::loadFileToString("../python/particles.py");
+    std::string randomSource = Pycron::loadFileToString("../python/threeD.py");
     //randomSource = Pycron::loadFileToString("../src/States/Editor/EditorState.cpp");
 
     m_editorFrame = m_graphics->loadImage("../resources/EditorFrame.png");

src/States/GameState.cpp

@@ -11,6 +11,7 @@
 GameState::GameState(pkpy::VM* vm, Graphics* graphics) :m_vm(vm), m_graphics(graphics){
     m_updateFunction = nullptr;
     m_previousError = "";
+
 }
 
 void GameState::Draw() {
@@ -28,10 +29,15 @@ void GameState::Draw() {
 void GameState::OnEnter() {
     m_graphics->Clear(0);
     PreProcessScripts();
+
 }
 
 void GameState::OnExit() {
+    for(const auto& pair : m_vm->_lazy_modules){
+        m_vm->_modules.del(pair.first);
+    }
     m_vm->_lazy_modules.clear();
+
     m_updateFunction = m_vm->None;
 }
 
@@ -80,6 +86,8 @@ std::unordered_map<std::string, std::string> GameState::readPythonFiles(const st
 }
 
 void GameState::loadPythonModules(std::unordered_map<std::string, std::string> &fileContents) {
+    m_vm->_lazy_modules.clear();
+
     for(const auto& pair : fileContents){
         try{
             if(pair.first != MAIN_FILE){