Hype Minigolf

Hype MinigolfNatale LetiziaIT-University of CopenhagenEngine Programming

OutlineLatest improvementsOriginal release overviewCore engine descriptionScreencastsConclusions

LastNeed for a better graphics rendering issuesImpossible to perceive depth on nonplanar surfaces need to define a different illumination settingGravity and slopes physicsA ball with zero velocity on an inclined plane should roll down due to gravityA power bar - GUI enhancementsPlayers need feedback for shootingOverview of the engineCore componentsRenderingMathematicsPhysicsSoundDataBaseGraphical User Interface

Rendering issuesOld rendering New

RenderingImprovementsA different illumination settingAmbient, diffuse and specular light setDefine a better shading model of the objects

Basics of the originalCamera and parameters setting (POV, translation, rotation)MathematicsAlgebra, matrices and vectors operationsA vector structure is used such as to represent both vertices and vectors (norms, directions, forces, etc)Basic operations supported, main:Extract magnitude of a vector, or give me the square of itNormalize a vectorDot productCross productScaling (or vector per scalar product)Translation (or vectors sum)Difference between vectors

PhysicsOld physicsNew

PhysicsImprovementsGravity parallel force

Basics of the originalA simulation loop, which comprises the following Parts and features:Euler integratorCollision detection/responseContact typesMore on physicsEuler integratorBasics step:New velocity (target) = previous velocity+(current force*(deltaT/mass))New position = previous position + (current speed*deltaT)Collision detection/responseFind interpenetrationNO -> check if contact/collision (distance ball-plane) collision if non resting contact, prepare for responseYES -> reduce the deltaT of the integration step as the half of current time to target, Contact types (based on the coeff of restitution)Walls bumpBetween tiles movement10GUI power bar

GUI UIMS + HUDMFC menu + HUD

GUIImprovementsA power bar

Basics of the originalMicrosoft MFC UIMSOn game HUD

SoundBasic feedbackWindows audio

SuccessCollisionDatabaseSupport for the operationsSELECT SHOW INSERT

As to manage highscores, course loading, user profiles

ScreencastsLets see the game on play!!Original

Improved

ConclusionsFurther enhancements

GUI: Improving usabilityPhysics: Use RK4 (a more accurate integrator - but not as fast as Euler)