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Scale point size to match camera distance, base point size on particle mass

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This commit is contained in:
saschawillems 2016-11-26 14:43:24 +01:00
parent 8baddd5f74
commit 8db5b0868f
3 changed files with 15 additions and 4 deletions
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6
computenbody/computenbody.cpp
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@ -27,7 +27,7 @@
// Lower particle count on Android for performance reasons
#define PARTICLES_PER_ATTRACTOR 2 * 1024
#else
#define PARTICLES_PER_ATTRACTOR 8 * 1024
#define PARTICLES_PER_ATTRACTOR 4 * 1024
#endif
class VulkanExample : public VulkanExampleBase
@ -56,6 +56,7 @@ public:
struct {
glm::mat4 projection;
glm::mat4 view;
glm::vec2 screenDim;
} ubo;
} graphics;
@ -371,7 +372,7 @@ public:
vkTools::initializers::vertexInputAttributeDescription(
VERTEX_BUFFER_BIND_ID,
0,
VK_FORMAT_R32G32B32_SFLOAT,
VK_FORMAT_R32G32B32A32_SFLOAT,
offsetof(Particle, pos));
// Location 1 : Velocity (used for gradient lookup)
vertices.attributeDescriptions[1] =
@ -703,6 +704,7 @@ public:
{
graphics.ubo.projection = camera.matrices.perspective;
graphics.ubo.view = camera.matrices.view;
graphics.ubo.screenDim = glm::vec2((float)width, (float)height);
memcpy(graphics.uniformBuffer.mapped, &graphics.ubo, sizeof(graphics.ubo));
}