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 "cells": [
  {
   "cell_type": "markdown",
   "id": "81d76ce2",
   "metadata": {},
   "source": [
    "# Flower\n",
    "\n",
    "This example uses the `rotate()` and `morph()` animations to animate a `Circle`, `fill` and `plot` plot objects.\n",
    "\n",
    "First, we create the pistil of the flower using a `Circle`:"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "id": "9e6d4f88",
   "metadata": {},
   "outputs": [],
   "source": [
    "import diplotocus as dpl\n",
    "import numpy as np\n",
    "\n",
    "pistil = dpl.Circle((0,0),.5,fc=\"#ffd97d\",zorder=3)"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "9ddbc5bb",
   "metadata": {},
   "source": [
    "Then, we create the petals:"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "id": "cc41fbb1",
   "metadata": {},
   "outputs": [],
   "source": [
    "theta = np.linspace(0,2*np.pi,360)\n",
    "r1 = 2-0.6*np.sin(-5*theta)\n",
    "x1 = r1*np.cos(theta)\n",
    "y1 = r1*np.sin(theta)\n",
    "r2 = 2-1*np.sin(-5*theta)\n",
    "x2 = r2*np.cos(theta)\n",
    "y2 = r2*np.sin(theta)\n",
    "\n",
    "petals = dpl.fill(x1,y1,fc=\"#ff9b85\",zorder=2)"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "954a8a2b",
   "metadata": {},
   "source": [
    "Next, we create the stem:"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "id": "1f6c353c",
   "metadata": {},
   "outputs": [],
   "source": [
    "y = np.linspace(-5,0,100)\n",
    "theta = (1+y/5)*15/180*np.pi\n",
    "d = 5 + y\n",
    "x3 = np.arctan( theta)*d\n",
    "x4 = np.arctan(-theta)*d\n",
    "stem = dpl.plot(x3,y,c='#60d394',lw=10,zorder=1)"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "f2e8f031",
   "metadata": {},
   "source": [
    "And finally, we create our timeline, animate our plot objects and render the video:"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "3cec2712",
   "metadata": {},
   "outputs": [],
   "source": [
    "tl = dpl.Timeline(xlim=(-5,5),ylim=(-5,5),noaxis=True,figsize=(7,7))\n",
    "e = dpl.easeInOutQuad()\n",
    "\n",
    "petals.rotate(start_angle=0,end_angle=360,center=(0,0),duration=120)\n",
    "petals.morph(new_x=x2,new_y=y2,duration=60)\n",
    "petals.morph(new_x=x1,new_y=y1,duration=60,delay=60)\n",
    "\n",
    "stem.morph(new_x=x4,new_y=y,duration=60,easing=e)\n",
    "stem.morph(new_x=x3,new_y=y,duration=60,easing=e,delay=60)\n",
    "\n",
    "pistil.rotate(start_angle=-15,end_angle=15,center=(0,-5),duration=60,easing=e)\n",
    "petals.rotate(start_angle=-15,end_angle=15,center=(0,-5),duration=60,easing=e)\n",
    "pistil.rotate(start_angle=0 ,end_angle=-30,center=(0,-5),duration=60,easing=e,delay=60)\n",
    "petals.rotate(start_angle=0 ,end_angle=-30,center=(0,-5),duration=60,easing=e,delay=60)\n",
    "\n",
    "tl.animate((pistil,petals,stem))\n",
    "tl.save_video('../../_static/examples/flower.mp4')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "id": "9fd99211",
   "metadata": {
    "tags": [
     "remove-input"
    ]
   },
   "outputs": [
    {
     "data": {
      "text/html": [
       "\n",
       "    <video width=\"640\" height=\"460\" autoplay loop muted playsinline>\n",
       "    <source src=\"../../_static/examples/flower.mp4?randId={}\" type=\"video/mp4\">\n",
       "    </video>\n"
      ],
      "text/plain": [
       "<IPython.core.display.HTML object>"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    }
   ],
   "source": [
    "from IPython.display import HTML, display\n",
    "display(HTML(\"\"\"\n",
    "    <video width=\"640\" height=\"460\" autoplay loop muted playsinline>\n",
    "    <source src=\"../../_static/examples/flower.mp4?randId={}\" type=\"video/mp4\">\n",
    "    </video>\n",
    "\"\"\"))"
   ]
  }
 ],
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