Voxel Terrain Map

import matplotlib.pyplot as plt
import numpy as np

n = 20
x, y = np.indices((n, n))

# Terrain heights
np.random.seed(42)
heights = np.zeros((n, n))
for i in range(3):
    cx, cy = np.random.randint(3, n-3, 2)
    heights += 5 * np.exp(-((x - cx)**2 + (y - cy)**2) / 20)
heights = (heights / heights.max() * 8).astype(int)

# Create voxel terrain
voxels = np.zeros((n, n, 10), dtype=bool)
for i in range(n):
    for j in range(n):
        voxels[i, j, :heights[i, j]] = True

# Gradient from mint #27F5B0 to lime #6CF527
z_idx = np.indices((n, n, 10))[2]
colors = np.empty(voxels.shape + (4,), dtype=np.float32)
colors[..., 3] = 0

norm_z = z_idx / 9
colors[voxels, 0] = 0.15 + 0.27 * norm_z[voxels]  # 27 to 6C
colors[voxels, 1] = 0.96  # F5 (constant)
colors[voxels, 2] = 0.69 - 0.54 * norm_z[voxels]  # B0 to 27
colors[voxels, 3] = 0.9

fig = plt.figure(figsize=(10, 8), facecolor='#020B14')
ax = fig.add_subplot(111, projection='3d', facecolor='#020B14')

ax.voxels(voxels, facecolors=colors, edgecolors='#1e293b', linewidth=0.2)

ax.set_xlabel('X', fontsize=11, color='#94a3b8', labelpad=10)
ax.set_ylabel('Y', fontsize=11, color='#94a3b8', labelpad=10)
ax.set_zlabel('Height', fontsize=11, color='#94a3b8', labelpad=10)
ax.set_title('Voxel Terrain Map', fontsize=14, color='white', fontweight='bold', pad=20)

ax.tick_params(colors='#64748b', labelsize=8)
ax.xaxis.pane.fill = False
ax.yaxis.pane.fill = False
ax.zaxis.pane.fill = False
ax.xaxis.pane.set_edgecolor('#1e293b')
ax.yaxis.pane.set_edgecolor('#1e293b')
ax.zaxis.pane.set_edgecolor('#1e293b')
ax.grid(True, alpha=0.2, color='#475569')

plt.tight_layout()
plt.show()