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Allow moving while jumping. Disable gravity when grounded. Change some parameters.

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This commit is contained in:
Irlan 2019-04-18 11:05:13 -03:00
parent 36f2484663
commit 923a069408
1 changed files with 47 additions and 37 deletions
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28
examples/testbed/tests/character_test.h
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@ -278,6 +278,7 @@ private:
b3StackArray<b3Shape*, 32> shapes; b3StackArray<b3Shape*, 32> shapes;
CollectStaticShapes(shapes); CollectStaticShapes(shapes);
// Collect collision planes
b3StackArray<Plane, 32> planes; b3StackArray<Plane, 32> planes;
CollectOverlapPlanes(planes, shapes); CollectOverlapPlanes(planes, shapes);
@ -293,6 +294,7 @@ private:
for (;;) for (;;)
{ {
// Collect collision planes
b3Vec3 translation = solvePosition - startPosition; b3Vec3 translation = solvePosition - startPosition;
CollectSweepPlanes(planes, shapes, translation); CollectSweepPlanes(planes, shapes, translation);
@ -309,7 +311,7 @@ private:
oldSolvePosition = solvePosition; oldSolvePosition = solvePosition;
} }
// Update body // Synchronize body
b3Quat orientation = m_characterBody->GetOrientation(); b3Quat orientation = m_characterBody->GetOrientation();
b3Vec3 axis; b3Vec3 axis;
@ -543,14 +545,14 @@ public:
float32 dt = g_testSettings->inv_hertz; float32 dt = g_testSettings->inv_hertz;
const float32 walkSpeed = 10.0f; const float32 walkSpeed = 10.0f;
const float32 jumpSpeed = 300.0f; const float32 jumpSpeed = 10.0f;
const float32 gravity = 50.0f * 9.8f; const float32 gravityAcc = 9.8f;
b3Vec3 velocity = b3Vec3_zero;
bool isGounded = m_characterController->IsGrounded(); static b3Vec3 velocity = b3Vec3_zero;
velocity.x = 0.0f;
velocity.z = 0.0f;
if (isGounded)
{
extern GLFWwindow* g_window; extern GLFWwindow* g_window;
bool leftDown = glfwGetKey(g_window, GLFW_KEY_LEFT); bool leftDown = glfwGetKey(g_window, GLFW_KEY_LEFT);
@ -559,6 +561,8 @@ public:
bool upDown = glfwGetKey(g_window, GLFW_KEY_UP); bool upDown = glfwGetKey(g_window, GLFW_KEY_UP);
bool spaceDown = glfwGetKey(g_window, GLFW_KEY_SPACE); bool spaceDown = glfwGetKey(g_window, GLFW_KEY_SPACE);
bool isGrounded = m_characterController->IsGrounded();
// Walk // Walk
if (leftDown) if (leftDown)
{ {
@ -580,15 +584,21 @@ public:
velocity.z += walkSpeed; velocity.z += walkSpeed;
} }
if (isGrounded)
{
velocity.y = 0.0f;
// Jump // Jump
if (spaceDown) if (spaceDown)
{ {
velocity.y += jumpSpeed; velocity.y += jumpSpeed;
} }
} }
else
{
// Integrate gravity // Integrate gravity
velocity.y -= dt * gravity; velocity.y -= dt * gravityAcc;
}
// Compute translation // Compute translation
b3Vec3 translation = dt * velocity; b3Vec3 translation = dt * velocity;