BPC: Art and Computation – Fall 2006BPC: Art and Computation – Fall 2006

Project - Designing a Virtual Project - Designing a Virtual EnvironmentEnvironment

Erik Brisson

ebrisson@bu.edu

BPC: Art and Computation – Fall 2006 2

Designing a Virtual EnvironmentDesigning a Virtual Environment

General Issues– Theme / story / message– Audience– Physical space / venue – Available technology– Development constraints

BPC: Art and Computation – Fall 2006 3

Designing a Virtual EnvironmentDesigning a Virtual Environment

Design Issues– Overall design vision, visual/aural theme– Kind of space (interior, exterior, etc)– Navigability– Scale– Methodology– Tools

BPC: Art and Computation – Fall 2006 4

Landscape PlansLandscape Plans

Used without permission from: http://www.medwaycoopbank.com/main/color_landscape_plan.jpg

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Landscape PlansLandscape Plans

Used without permission from: http://www.smartdraw.com/examples/preview/index.aspx?example=Residential_-_10

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World as set of simple objectsWorld as set of simple objects

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Grid on ground planeGrid on ground plane

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Top-down viewTop-down view

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Plan drawing – on graph paperPlan drawing – on graph paper

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Add axes for Cartesian coordinatesAdd axes for Cartesian coordinates

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Plan drawing – on graph paperPlan drawing – on graph paper

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Plan drawing – on graph paperPlan drawing – on graph paper

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Specifying horizontal quadrilateralsSpecifying horizontal quadrilaterals

Horizontal squareHorizontal square(x0,y0) = (2,2)(x0,y0) = (2,2)(x1,y1) = (4,2)(x1,y1) = (4,2)(x2,y2) = (4,4)(x2,y2) = (4,4)(x3,y3) = (2,4)(x3,y3) = (2,4)

On ground (height h = 0)On ground (height h = 0)

hquad,hquad, x0, y0, x1, y1,x0, y0, x1, y1,x2, y2, x3, y3, hx2, y2, x3, y3, h

hquad, 2, 2, 4, 2, 4, 4, 2, 4, 0hquad, 2, 2, 4, 2, 4, 4, 2, 4, 0

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Plan drawing – on graph paperPlan drawing – on graph paper

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Specifying vertical rectanglesSpecifying vertical rectangles

Vertical rectangleVertical rectangle base line segmentbase line segment endpoint0 = (x0,y0)endpoint0 = (x0,y0) endpoint1 = (x1,y1)endpoint1 = (x1,y1) height hheight h

vrect, vrect, x0, y0, x1, y1, hx0, y0, x1, y1, h

vrect, 2, 5, 4, 5, 2vrect, 2, 5, 4, 5, 2vrect, 4, 5, 4, 7, 2vrect, 4, 5, 4, 7, 2vrect, 4, 7, 2, 7, 2vrect, 4, 7, 2, 7, 2vrect, 2, 7, 2, 5, 2vrect, 2, 7, 2, 5, 2

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Plan drawing – on graph paperPlan drawing – on graph paper

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Specifying cylindersSpecifying cylinders

Vertical cylinderVertical cylinder base circle center (x0,y0)base circle center (x0,y0) base circle radius rbase circle radius r height hheight h

vcyl, x0, y0, r, hvcyl, x0, y0, r, h

vcyl, 0, 2, 0.5, 3vcyl, 0, 2, 0.5, 3

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Plan drawing – on graph paperPlan drawing – on graph paper

BPC: Art and Computation – Fall 2006 19

Plan drawing – on graph paperPlan drawing – on graph paper

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Specifying conesSpecifying cones

Vertical coneVertical cone base circle center (x0,y0)base circle center (x0,y0) base circle radius rbase circle radius r height hheight h

vcone, x0, y0, r, hvcone, x0, y0, r, h

vcone, 2, -5, 1, 2vcone, 2, -5, 1, 2

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The remaining rectanglesThe remaining rectangles

vrect, -1.5, -3, 0, -3, 2vrect, -1.5, -3, 0, -3, 2vrect, 0, -3, 2, -1, 2vrect, 0, -3, 2, -1, 2vrect, 2, -1, 0.5, -1, 2vrect, 2, -1, 0.5, -1, 2vrect, 0.5, -1, -1.5, -3, 2vrect, 0.5, -1, -1.5, -3, 2hquad, 2, -5, 4, -3, 2, -1, 0, -3, 2hquad, 2, -5, 4, -3, 2, -1, 0, -3, 2

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The description fileThe description file

hquad, 2, 2, 4, 2, 4, 4, 2, 4, 0hquad, 2, 2, 4, 2, 4, 4, 2, 4, 0vrect, 2, 5, 4, 5, 2vrect, 2, 5, 4, 5, 2vrect, 4, 5, 4, 7, 2vrect, 4, 5, 4, 7, 2vrect, 4, 7, 2, 7, 2vrect, 4, 7, 2, 7, 2vrect, 2, 7, 2, 5, 2vrect, 2, 7, 2, 5, 2vcyl, 0, 2, 0.5, 3vcyl, 0, 2, 0.5, 3vcone, 2, -5, 1, 2vcone, 2, -5, 1, 2vrect, -1.5, -3, 0, -3, 2vrect, -1.5, -3, 0, -3, 2vrect, 0, -3, 2, -1, 2vrect, 0, -3, 2, -1, 2vrect, 2, -1, 0.5, -1, 2vrect, 2, -1, 0.5, -1, 2vrect, 0.5, -1, -1.5, -3, 2vrect, 0.5, -1, -1.5, -3, 2hquad, 2, -5, 4, -3, 2, -1, 0, -3, 2hquad, 2, -5, 4, -3, 2, -1, 0, -3, 2

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Project workflowProject workflow

hquad, 2, 2, 4, 2, 4, 4, 2, 4, 0hquad, 2, 2, 4, 2, 4, 4, 2, 4, 0vrect, 2, 5, 4, 5, 2vrect, 2, 5, 4, 5, 2vrect, 4, 5, 4, 7, 2vrect, 4, 5, 4, 7, 2vrect, 4, 7, 2, 7, 2vrect, 4, 7, 2, 7, 2vrect, 2, 7, 2, 5, 2vrect, 2, 7, 2, 5, 2vcyl, 0, 2, 0.5, 3vcyl, 0, 2, 0.5, 3vcone, 2, -5, 1, 2vcone, 2, -5, 1, 2vrect, -1.5, -3, 0, -3, 2vrect, -1.5, -3, 0, -3, 2vrect, 0, -3, 2, -1, 2vrect, 0, -3, 2, -1, 2vrect, 2, -1, 0.5, -1, 2vrect, 2, -1, 0.5, -1, 2vrect, 0.5, -1, -1.5, -3, 2vrect, 0.5, -1, -1.5, -3, 2hquad, 2, -5, 4, -3, 2, -1, 0, -3, 2hquad, 2, -5, 4, -3, 2, -1, 0, -3, 2

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Texture mapping – the cylinderTexture mapping – the cylinder

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Texture mapping – the cone?Texture mapping – the cone?