creating world class graphics on the psp
DESCRIPTION
Creating World Class Graphics on the PSP. Creating World Class Graphics on the PSP. Shipped Titles PSP Art Topics Asset breakdowns Open Q & A. Shipped Titles. The Lord of the Rings: Tactics. - PowerPoint PPT PresentationTRANSCRIPT
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Creating World Class Graphics on the PSP
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Creating World Class Graphics on the PSP
• Shipped Titles
• PSP Art Topics
• Asset breakdowns
•Open Q & A
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Shipped TitlesShipped Titles
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The Lord of the Rings: Tactics
LOTR used assets from 3 previous console titles and 1 PC title with additional assets created to match. All had to go through strict approvals by multiple parties in a very short development cycle.
LOTR included 40 min of film footage & re-edited to tell story of Middle Earth from Mordor’s perspective. No true in-game cinematics were created, fly-throughs introduced the levels and lots of combat cameras were used throughout.
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The Lord of the Rings: Tactics
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The Lord of the Rings: Tactics
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The Lord of the Rings: Tactics
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The Lord of the Rings: Tactics
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The Lord of the Rings: Tactics
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Lord of the Rings: Tactics
Attract Mode Video
EA, Publisher
LOTR Movie Here
LOTR Movie Here
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The SiMs2
Text
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The SiMs2
Text
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The SiMs2
Text
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The SiMs2
Text
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The SiMs2
Text
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The SiMs2
Text
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The SiMs2
Text
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The SiMs2
Text
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The SiMS 2
Attract Mode Video
EA, Publisher
Sims Movie Here
Sims Movie Here
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Pirates of the Caribbean
Text
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Pirates of the Caribbean
Text
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Pirates of the Caribbean
Text
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Pirates of the Caribbean
Text
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Pirates of the Caribbean
Text
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Pirates of the Caribbean
Text
Walk Cycle movie hereWalk Cycle movie here
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Pirates of the Caribbean
Text
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Pirates of the Caribbean
Text
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Pirates of the Caribbean
Text
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Pirates of the Caribbean
Text
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Pirates of the Caribbean
Attract Mode Video
Buena Vista Games, Publisher
Pirate Movie Here
Pirate Movie Here
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PSP Art TopicsPSP Art Topics
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PSP Perceptions
The PSP is not a true PS2 in terms of what can be loaded into memory (approximately 0.75)
“Porting to PSP is not a simple matter of texture resolution!”
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PS2 vs PSP workflow
Smaller memory pool requires more coordination of art, sound, and design to pull back on typical PS2 pipeline and practices.
• Level effects vs sound files• Game art vs. HUD texture resolutions• # of unique characters vs design balancing
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RUNTIME vs. LOAD TIME
(Frame rate issues vs. Memory budgets)
“To LOD, or not to LOD….”
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Total Visible Mesh Count
• Hard edges
• Multiple shaders
• Combining close proximity meshes
•Separating large meshes – Skybox for example
• Cels and Portals
• Fog & far clip
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Bone/Joint Count
• 200 Total Bones on screen is the (self-imposed) limit for frame rate
• LOTR: 16 characters max, each about 30-35 bones.
• TBA 1P Shooter: 7 characters max; 1 Player, 2 - 3 allies, 3 - 4 opponents (per average level)
•TBA 3P Action/Adventure: 16 characters max; target 25-30 bones each
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Lighting
• “Fast Track”: Like PS2, our pipeline like 2 Dynamic Lights, 1 ambient & 1 directional
• Baked in lighting for environments is best for load & run time issues.
•Painted-in shadows or baked into verts.
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Texture Resolution
Less resolution resulted in less noise and cleaner looking characters. LOTR test image.
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Shaders
• Too much alpha = sorting issues
• Too many passes on a surface = Runtime Slowing (decals, shine, UI, shadows, layers, etc)
• Effects: a good savings is to use add blend for glowing effects. No alpha channel needed
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Environment Resolution
Foreground, middle ground, background/skybox
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Environment Resolution
Foreground, middle ground, background/skybox
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Total Visible Mesh Count
• Hard edges
• Multiple shaders
• Combining close proximity meshes
•Separating large meshes – Skybox for example
• Cels and Portals
• Fog & far clip
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LODs
• [Level of Detail]• Spend the memory loading in extra meshes to help run-time?
Shadows
•Blob/Dots shaded across all, use LOD to draw, or go full detail?
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Clipping
• No PSP software/hardware clipper built in
• Software clipper can be added at a runtime cost
• Environments can be subdivided, use scalable terrain mesh, or LOD system
• Overdraw: Try to minimize the amount so runtime sorting is less taxing.
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Project Asset BreakdownsProject Asset Breakdowns
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The Lord of the Rings: Tactics
Chart Here
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The SiMs2
Chart Here
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Pirates of the Caribbean
Chart Here
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TBA Flight Combat
Chart Here
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TBA 1st Person Shooter
Chart Here
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TBA 3rd Person Action/Adventure
Chart Here
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Creating World Class Graphics on the PSP