Beyond The Door: Pixar-Style AI Film Direction
Prompt Engineering Case Study
Concept & Intent
This experiment tested whether Kling Pro accessed via Runway’s platform could produce a coherent Pixar-style animated short with a recognizable character, consistent lighting, and a sense of wonder, purely through structured multi-shot prompt engineering, with no post-production or animation tools.
The narrative is deliberately minimal: a single child, a single moment of discovery. This allowed evaluation of the model’s ability to sustain character consistency, animation quality, and emotional arc across four distinct shots.
Narrative Arc
Explore → Discover → Wonder → Enter
Wide world establishes scale → medium shot grounds the character → close-up captures the emotional beat → tracking shot delivers the payoff.
Platform:
Runway
Model:
Kling Pro
Style:
Pixar 3D
Duration:
15 sec
The Prompts
Format 1: Plain Text (Kling UI Direct)
[SHOT 1 – Wide Establishing Shot | 0–4s]
A curious young child with big expressive eyes and a round backpack
walks through a sunlit overgrown garden, vines and flowers everywhere,
slow gentle camera push in, warm golden afternoon light, Pixar 3D
animated style, soft volumetric lighting, cinematic.
[SHOT 2 – Medium Shot | 4–8s]
The child notices something strange — an old mossy wooden door
standing alone between two ancient oak trees, no wall around it,
glowing faintly at the edges, child tilts head in wonder,
camera slowly circles around them, magical atmosphere,
Pixar animation style, whimsical color palette.
[SHOT 3 – Close-Up | 8–11s]
Extreme close-up of the child’s wide sparkling eyes reflecting
the golden glow of the door, eyebrows raised in amazement,
a tiny smile forming, shallow depth of field, slow motion,
emotional and magical, Pixar render quality.
[SHOT 4 – Low Angle Tracking Shot | 11–15s]
The child reaches out and slowly pushes the door open,
a burst of warm magical light floods out, camera pulls back
from a low angle as the door swings wide, revealing swirling
stars and floating lanterns beyond, child silhouetted against
the light, hopeful and wonder-filled ending, Pixar cinematic style.
Style:
Pixar 3D animated, warm, whimsical color grading,
soft volumetric light, no live action, no realism,
smooth animation quality, storybook magical tone,
orchestral score implied, 4K render quality.
Negative:
Real human, photorealistic, dark tone,
horror, shaky cam, low quality, 2D flat animation.
Format 2: JSON (API / Developer Use)
{
"model_name": "kling-pro",
"duration": "10",
"aspect_ratio": "16:9",
"cfg_scale": 0.6,
"negative_prompt": "real human, photorealistic, dark tone, horror,
shaky cam, low quality, 2D flat animation",
"multi_shot": true,
"shot_type": "customize",
"style_preset": "pixar_3d_animation",
"multi_prompt": [
{
"index": 0,
"shot_label": "Wide Establishing Shot",
"prompt": "Curious young child, big expressive eyes, round backpack,
sunlit overgrown garden, vines and flowers, slow camera
push in, golden afternoon light, soft volumetric lighting,
Pixar 3D animated style, cinematic",
"duration": "4"
},
{
"index": 1,
"shot_label": "Medium Shot — Discovery",
"prompt": "Old mossy wooden door between two oak trees, no wall,
glowing faintly at edges, child tilts head in wonder,
camera slowly circles, magical atmosphere,
whimsical color palette, Pixar animation style",
"duration": "4"
},
{
"index": 2,
"shot_label": "Close-Up — Emotion",
"prompt": "Extreme close-up of child's wide sparkling eyes,
reflecting golden glow, eyebrows raised in amazement,
tiny smile forming, shallow depth of field,
slow motion, emotional, Pixar render quality",
"duration": "3"
},
{
"index": 3,
"shot_label": "Low Angle Tracking — Payoff",
"prompt": "Child pushes door open, burst of warm magical light,
camera pulls back from low angle, swirling stars and
floating lanterns beyond, child silhouetted against light,
hopeful wonder-filled ending, Pixar cinematic style",
"duration": "4"
}
],
"global_style": "Pixar 3D animated, warm whimsical color grading,
soft volumetric light, smooth animation, 4K render"
}
JSON Field Reference
Field
Value
What It Controls
model_name
kling-v3-master
Model version to use
duration
15
Total video length in seconds
aspect_ratio
16:9
Landscape / portrait / square
cfg_scale
0.6
Gives model creative room for animation style
negative_prompt
photorealistic, 2D…
Prevents breaking animation style
multi_shot
true
Enables multi-shot mode
style_preset
pixar_3d_animation
Locks visual style globally
index
1 – 3
Shot sequence order
duration (per shot)
4, 4, 3, 4
Each shot’s length (must sum to total)
global_style
Pixar 3D, 4K…
Consistent style across all shots