particle system - emission

data/pipelines/particles.shd

@@ -18,8 +18,10 @@ surface_shader_ex({
 		layout(location = 2) in vec4 i_color;
 		layout(location = 3) in float i_rot;
 		layout(location = 4) in float i_frame;
+		layout(location = 5) in float i_emission;
 		layout(location = 0) out vec2 v_uv;
 		layout(location = 1) out vec4 v_color;
+		layout(location = 2) out float v_emission;
 	]],
 	vertex = [[
 		vec2 pos = vec2(gl_VertexID & 1, (gl_VertexID & 2) * 0.5);
@@ -35,11 +37,13 @@ surface_shader_ex({
 		pos *= i_scale;
 		
 		v_color = i_color;
+		v_emission = i_emission;
 		gl_Position = Pass.projection * ((Pass.view * u_model * vec4(i_position.xyz, 1)) + vec4(pos.xy, 0, 0));
 	]],
 	fragment_preface = [[
 		layout(location = 0) in vec2 v_uv;
 		layout(location = 1) in vec4 v_color;
+		layout(location = 2) in float v_emission;
 	]],
 	fragment = [[
 		vec4 c = texture(t_texture, v_uv) * saturate(v_color);
@@ -48,7 +52,7 @@ surface_shader_ex({
 		data.wpos = vec3(0);
 		data.albedo = c.rgb;
 		data.alpha = c.a;
-		data.emission = 1;
+		data.emission = v_emission;
 		data.shadow = 1;
 		data.ao = 1;
 		data.roughness = 1;

src/renderer/editor/particle_editor.cpp

@@ -464,6 +464,7 @@ struct ParticleEmitterEditorResource {
 		m_outputs.back().type = ValueType::VEC4;
 		m_outputs.emplace().name = "rotation";
 		m_outputs.emplace().name = "frame";
+		m_outputs.emplace().name = "emission";
 
 		addNode(Node::Type::UPDATE);
 		addNode(Node::Type::OUTPUT)->m_pos = ImVec2(100, 300);

src/renderer/pipeline.cpp

@@ -2669,7 +2669,7 @@ struct PipelineImpl final : Pipeline
 					stream->useProgram(program);
 					stream->bindIndexBuffer(gpu::INVALID_BUFFER);
 					stream->bindVertexBuffer(0, gpu::INVALID_BUFFER, 0, 0);
-					stream->bindVertexBuffer(1, slice.buffer, slice.offset, 40);
+					stream->bindVertexBuffer(1, slice.buffer, slice.offset, decl.getStride());
 					stream->drawArraysInstanced(4, particles_count);
 					break;
 				}