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Fixed Shadow bugs and implemented scripting for trajectory rendering #407

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Xenosas1337 merged 5 commits from SP3-1-Rendering into main 2023-03-09 15:10:59 +08:00
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3 changed files with 88 additions and 11 deletions
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53
Assets/Scenes/Level3.shade
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@ -6017,6 +6017,7 @@
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Sleeping Enabled: true
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@ -7286,6 +7303,7 @@
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@ -7388,6 +7407,7 @@
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@ -7439,6 +7459,7 @@
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@ -7490,6 +7511,7 @@
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@ -7541,6 +7563,7 @@
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@ -7592,6 +7615,7 @@
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@ -7643,6 +7667,7 @@
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@ -7700,6 +7725,7 @@
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@ -7823,6 +7851,7 @@
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@ -8766,6 +8813,7 @@
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@ -8868,6 +8917,7 @@
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@ -8970,6 +9021,7 @@
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12
SHADE_Engine/src/Physics/System/SHPhysicsSystem.cpp
View File

@ -276,6 +276,7 @@ namespace SHADE
localInvInertia[i] = 1.0f / localInvInertia[i];
// Build raycast layer from colliders. If none exist....then this never stops simulating technically.
// I'm too lazy to handle that case, so I'll just throw an error.
uint16_t raycastLayers = 0;
@ -297,16 +298,17 @@ namespace SHADE
raycastInfo.continuous = false;
raycastInfo.layers = raycastLayers;
bool terminate = true;
bool terminate = true;
int iterationCounter = simInfo.maxSteps;
do
{
raycastInfo.distance = linearVelocity.Length();
raycastInfo.ray.position = bodyPosition;
raycastInfo.ray.direction = SHVec3::Normalise(linearVelocity);
terminate = !Raycast(raycastInfo).empty();
terminate = !Raycast(raycastInfo).empty() || iterationCounter == 0;
if (terminate)
break;
return;
// Compute world space data
const SHMatrix R = SHMatrix::Rotate(bodyOrientation);
@ -348,7 +350,7 @@ namespace SHADE
const SHQuaternion QV = SHQuaternion{ angularVelocity.x * simInfo.timeStep, angularVelocity.y * simInfo.timeStep, angularVelocity.z * simInfo.timeStep, 0.0f } * 0.5f;
bodyPosition += linearVelocity * simInfo.timeStep;
bodyOrientation += bodyOrientation * QV;
bodyOrientation += bodyOrientation * QV * SHQuaternion::FromEuler(ANGULAR_LOCK);
bodyOrientation = SHQuaternion::Normalise(bodyOrientation);
// Clear forces after the first frame
@ -362,6 +364,8 @@ namespace SHADE
positions.emplace_back(bodyPosition);
--iterationCounter;
} while (true);
}

34
SHADE_Engine/src/Physics/System/SHPhysicsSystem.h
View File

@ -50,19 +50,39 @@ namespace SHADE
/**
* @brief
* Used to simulate the motion of a rigid body until it hits something.
* Used to simulate the motion of a rigid body, ignoring collision detection and response.
* @param bodyEID
* The EntityID of the Rigid Body to simulate.
* @param force
* The force applied onto the Rigid Body.
* @param forceOffset
* The position to apply the force onto the body relative to it's local Center of Mass.
* @param torque
* The torque to apply onto the Rigid Body.
* @param continuousForce
* If the force should be applied every step throughout the simulation. Defaults to false. <br/>
* True : The force indicated is added to the body every step, therefore it has constant acceleration.
* False: The force is applied only in the first step, therefore it has constant speed.
* @param timeStep
* The timestep for each step of the simulation. Defaults to 0.016s (The default Fixed DT)
* @param maxSteps
* The number of steps to run the simulation for. Defaults to -1.
* < 0 : Runs until the object may hit something. Hit detection is done through raycasting.
* = 0 : Runs only the current step and checks if it may hit something.
* > 0 : Runs for the given number of steps or until it may hit something.
*/
struct SimulateBodyInfo
{
EntityID bodyEID = MAX_EID;
EntityID bodyEID = MAX_EID;
SHVec3 force = SHVec3::Zero;
SHVec3 forceOffset = SHVec3::Zero;
SHVec3 torque = SHVec3::Zero;
SHVec3 force = SHVec3::Zero;
SHVec3 forceOffset = SHVec3::Zero;
SHVec3 torque = SHVec3::Zero;
// Whether or not to clear the force after the first iteration
bool continuousForce = false;
float timeStep = static_cast<float>(SHPhysicsConstants::DEFAULT_FIXED_DT);
bool continuousForce = false;
float timeStep = static_cast<float>(SHPhysicsConstants::DEFAULT_FIXED_DT);
int maxSteps = -1;
};