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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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84
examples/testbed/tests/character_test.h
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@ -68,7 +68,7 @@ private:
sphere.radius = m_characterShape->m_radius;
return sphere;
}
void UpdateGrounded()
{
b3StackArray<b3Shape*, 32> shapes;
@ -278,6 +278,7 @@ private:
b3StackArray<b3Shape*, 32> shapes;
CollectStaticShapes(shapes);
// Collect collision planes
b3StackArray<Plane, 32> planes;
CollectOverlapPlanes(planes, shapes);
@ -293,8 +294,9 @@ private:
for (;;)
{
// Collect collision planes
b3Vec3 translation = solvePosition - startPosition;
CollectSweepPlanes(planes, shapes, translation);
solvePosition = SolvePositionConstraints(planes, targetPosition);
@ -309,7 +311,7 @@ private:
oldSolvePosition = solvePosition;
}
// Update body
// Synchronize body
b3Quat orientation = m_characterBody->GetOrientation();
b3Vec3 axis;
@ -543,42 +545,48 @@ public:
float32 dt = g_testSettings->inv_hertz;
const float32 walkSpeed = 10.0f;
const float32 jumpSpeed = 300.0f;
const float32 gravity = 50.0f * 9.8f;
b3Vec3 velocity = b3Vec3_zero;
bool isGounded = m_characterController->IsGrounded();
const float32 jumpSpeed = 10.0f;
const float32 gravityAcc = 9.8f;
if (isGounded)
static b3Vec3 velocity = b3Vec3_zero;
velocity.x = 0.0f;
velocity.z = 0.0f;
extern GLFWwindow* g_window;
bool leftDown = glfwGetKey(g_window, GLFW_KEY_LEFT);
bool rightDown = glfwGetKey(g_window, GLFW_KEY_RIGHT);
bool downDown = glfwGetKey(g_window, GLFW_KEY_DOWN);
bool upDown = glfwGetKey(g_window, GLFW_KEY_UP);
bool spaceDown = glfwGetKey(g_window, GLFW_KEY_SPACE);
bool isGrounded = m_characterController->IsGrounded();
// Walk
if (leftDown)
{
extern GLFWwindow* g_window;
velocity.x -= walkSpeed;
}
bool leftDown = glfwGetKey(g_window, GLFW_KEY_LEFT);
bool rightDown = glfwGetKey(g_window, GLFW_KEY_RIGHT);
bool downDown = glfwGetKey(g_window, GLFW_KEY_DOWN);
bool upDown = glfwGetKey(g_window, GLFW_KEY_UP);
bool spaceDown = glfwGetKey(g_window, GLFW_KEY_SPACE);
if (rightDown)
{
velocity.x += walkSpeed;
}
// Walk
if (leftDown)
{
velocity.x -= walkSpeed;
}
if (upDown)
{
velocity.z -= walkSpeed;
}
if (rightDown)
{
velocity.x += walkSpeed;
}
if (downDown)
{
velocity.z += walkSpeed;
}
if (upDown)
{
velocity.z -= walkSpeed;
}
if (downDown)
{
velocity.z += walkSpeed;
}
if (isGrounded)
{
velocity.y = 0.0f;
// Jump
if (spaceDown)
@ -586,10 +594,12 @@ public:
velocity.y += jumpSpeed;
}
}
// Integrate gravity
velocity.y -= dt * gravity;
else
{
// Integrate gravity
velocity.y -= dt * gravityAcc;
}
// Compute translation
b3Vec3 translation = dt * velocity;