1 files changed, 3 insertions, 3 deletions
diff --git a/src/gpu/effects/particle_spray_effect.cc b/src/gpu/effects/particle_spray_effect.cc
index b5c5f42..e8ead0a 100644
--- a/src/gpu/effects/particle_spray_effect.cc
+++ b/src/gpu/effects/particle_spray_effect.cc
@@ -10,7 +10,7 @@ ParticleSprayEffect::ParticleSprayEffect(WGPUDevice device, WGPUQueue queue,
                                          WGPUTextureFormat format)
     : Effect(device, queue) {
   uniforms_ =
-      gpu_create_buffer(device_, sizeof(float) * 4,
+      gpu_create_buffer(device_, sizeof(float) * 6,
                         WGPUBufferUsage_Uniform | WGPUBufferUsage_CopyDst);
   std::vector<Particle> init_p(NUM_PARTICLES);
   for (Particle& p : init_p)
@@ -34,8 +34,8 @@ ParticleSprayEffect::ParticleSprayEffect(WGPUDevice device, WGPUQueue queue,
 void ParticleSprayEffect::compute(WGPUCommandEncoder e, float t, float b,
                                   float i, float a) {
   struct {
-    float i, a, t, b;
-  } u = {i, a, t, b};
+    float i, a, t, b, w, h;
+  } u = {i, a, t, b, (float)width_, (float)height_};
   wgpuQueueWriteBuffer(queue_, uniforms_.buffer, 0, &u, sizeof(u));
   WGPUComputePassEncoder pass = wgpuCommandEncoderBeginComputePass(e, nullptr);
   wgpuComputePassEncoderSetPipeline(pass, compute_pass_.pipeline);