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Randomized wind directions

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This commit is contained in:
saschawillems 2017-07-09 14:00:56 +02:00
parent 9898e67f41
commit ec1b4a88c7
1 changed files with 7 additions and 2 deletions
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9
computecloth/computecloth.cpp
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@ -115,6 +115,7 @@ public:
camera.setPerspective(60.0f, (float)width / (float)height, 0.1f, 512.0f); camera.setPerspective(60.0f, (float)width / (float)height, 0.1f, 512.0f);
camera.setRotation(glm::vec3(-30.0f, -45.0f, 0.0f)); camera.setRotation(glm::vec3(-30.0f, -45.0f, 0.0f));
camera.setTranslation(glm::vec3(0.0f, 0.0f, -3.5f)); camera.setTranslation(glm::vec3(0.0f, 0.0f, -3.5f));
srand((unsigned int)time(NULL));
} }
~VulkanExample() ~VulkanExample()
@ -667,9 +668,13 @@ public:
compute.ubo.deltaT = 0.000005f; compute.ubo.deltaT = 0.000005f;
// todo: base on frametime // todo: base on frametime
//compute.ubo.deltaT = frameTimer * 0.0075f; //compute.ubo.deltaT = frameTimer * 0.0075f;
std::mt19937 rg((unsigned)time(nullptr));
std::uniform_real_distribution<float> rd(1.0f, 6.0f);
if (simulateWind) { if (simulateWind) {
compute.ubo.gravity.x = sin(glm::radians(-timer * 360.0f)) * 4.0f; compute.ubo.gravity.x = cos(glm::radians(-timer * 360.0f)) * (rd(rg) - rd(rg));
compute.ubo.gravity.z = sin(glm::radians(timer * 360.0f)) * 4.0f; compute.ubo.gravity.z = sin(glm::radians(timer * 360.0f)) * (rd(rg) - rd(rg));
} }
else { else {
compute.ubo.gravity.x = 0.0f; compute.ubo.gravity.x = 0.0f;