diff --git a/data/test_assets/triangle.vert b/data/test_assets/triangle.vert
index fd74d90..fb16d7c 100644
--- a/data/test_assets/triangle.vert
+++ b/data/test_assets/triangle.vert
@@ -1,21 +1,26 @@
 #version 450 core
 
-vec2 positions[3] = vec2[](
-    vec2(0.0, -0.5),
-    vec2(0.5, 0.5),
-    vec2(-0.5, 0.5)
+layout(push_constant ) uniform pc {
+ mat4 view_projection;
+};
+
+vec3 positions[3] = vec3[](
+    vec3(0.0, -0.5, 0.5),
+    vec3(0.5, 0.5, 0.5),
+    vec3(-0.5, 0.5, 0.5)
 );
 
 vec3 colors[3] = vec3[](
-    vec3(1.0, 0.0, 0.0),
-    vec3(0.0, 1.0, 0.0),
-    vec3(0.0, 0.0, 1.0)
+    vec3(0.0, 0.0, 0.0),
+    vec3(0.0, 0.0, 0.0),
+    vec3(0.0, 0.0, 0.0)
 );
 
 layout(location = 0) out vec3 out_frag_color;
 
 void main() 
 {
-    gl_Position = vec4(positions[gl_VertexIndex], 0.0, 1.0);
+    gl_Position = view_projection * vec4(positions[gl_VertexIndex], 1.0);
     out_frag_color = colors[gl_VertexIndex];
 }
+
diff --git a/data/test_assets/triangle.vert.asset b/data/test_assets/triangle.vert.asset
index 52d32ab..6ffe543 100644
Binary files a/data/test_assets/triangle.vert.asset and b/data/test_assets/triangle.vert.asset differ
diff --git a/modules/camera/CMakeLists.txt b/modules/camera/CMakeLists.txt
index 35083e5..e45b507 100644
--- a/modules/camera/CMakeLists.txt
+++ b/modules/camera/CMakeLists.txt
@@ -1,3 +1,3 @@
-add_library_module(camera camera.cpp scene.cpp)
+add_library_module(camera)
 
-target_link_libraries(camera PUBLIC math)
+target_link_libraries(camera INTERFACE math)
diff --git a/modules/camera/private/camera.cpp b/modules/camera/private/camera.cpp
deleted file mode 100644
index e8862f7..0000000
--- a/modules/camera/private/camera.cpp
+++ /dev/null
@@ -1,6 +0,0 @@
-#include <camera/camera.hpp>
-
-namespace lt {
-
-
-}
diff --git a/modules/camera/private/scene.cpp b/modules/camera/private/scene.cpp
deleted file mode 100644
index c7d174d..0000000
--- a/modules/camera/private/scene.cpp
+++ /dev/null
@@ -1,84 +0,0 @@
-#include <camera/camera.hpp>
-#include <camera/component.hpp>
-#include <math/algebra.hpp>
-#include <math/trig.hpp>
-
-namespace lt {
-
-SceneCamera::SceneCamera()
-    : m_orthographic_specification { .size = 1000.0f, .near_plane = -1.0f, .far_plane = 10000.0f }
-    , m_perspective_specification { .vertical_fov = math::radians(45.0f),
-	                                .near_plane = 0.01f,
-	                                .far_plane = 10000.0f }
-    , m_aspect_ratio(16.0f / 9.0f)
-
-{
-	calculate_projection();
-}
-
-void SceneCamera::set_viewport_size(unsigned int width, unsigned int height)
-{
-	m_aspect_ratio = static_cast<float>(width) / static_cast<float>(height);
-	calculate_projection();
-}
-
-void SceneCamera::set_projection_type(ProjectionType projection_type)
-{
-	m_projection_type = projection_type;
-	calculate_projection();
-}
-
-void SceneCamera::set_orthographic_size(float size)
-{
-	m_orthographic_specification.size = size;
-	calculate_projection();
-}
-
-void SceneCamera::set_orthographic_far_plane(float far_plane)
-{
-	m_orthographic_specification.far_plane = far_plane;
-	calculate_projection();
-}
-
-void SceneCamera::set_orthographic_near_plane(float near_plane)
-{
-	m_orthographic_specification.near_plane = near_plane;
-	calculate_projection();
-}
-
-void SceneCamera::set_perspective_vertical_fov(float vertical_fov)
-{
-	m_perspective_specification.vertical_fov = vertical_fov;
-	calculate_projection();
-}
-
-void SceneCamera::set_perspective_far_plane(float far_plane)
-{
-	m_perspective_specification.far_plane = far_plane;
-	calculate_projection();
-}
-
-void SceneCamera::set_perspective_near_plane(float near_plane)
-{
-	m_perspective_specification.near_plane = near_plane;
-	calculate_projection();
-}
-
-void SceneCamera::calculate_projection()
-{
-	// TODO(Light): implement ortho perspective
-	if (m_projection_type == ProjectionType::Orthographic)
-	{
-		// throw std::runtime_error { "ortho perspective not supported yet" };
-	}
-
-	// defaults to perspective for now...
-	m_projection = math::perspective(
-	    m_perspective_specification.vertical_fov,
-	    m_aspect_ratio,
-	    m_perspective_specification.near_plane,
-	    m_perspective_specification.far_plane
-	);
-}
-
-} // namespace lt
diff --git a/modules/camera/public/camera.hpp b/modules/camera/public/camera.hpp
deleted file mode 100644
index b6c4fa7..0000000
--- a/modules/camera/public/camera.hpp
+++ /dev/null
@@ -1,35 +0,0 @@
-#pragma once
-
-#include <math/mat4.hpp>
-#include <math/vec4.hpp>
-
-namespace lt {
-
-class Camera
-{
-public:
-	Camera() = default;
-
-	[[nodiscard]] auto get_projection() const -> const math::mat4 &
-	{
-		return m_projection;
-	}
-
-	[[nodiscard]] auto get_background_color() const -> const math::vec4 &
-	{
-		return m_background_color;
-	}
-
-	void set_background_color(const math::vec4 &color)
-	{
-		m_background_color = color;
-	}
-
-protected:
-	math::mat4 m_projection;
-
-private:
-	math::vec4 m_background_color = math::vec4(1.0f, 0.0f, 0.0f, 1.0f);
-};
-
-} // namespace lt
diff --git a/modules/camera/public/component.hpp b/modules/camera/public/component.hpp
deleted file mode 100644
index 0bd75ea..0000000
--- a/modules/camera/public/component.hpp
+++ /dev/null
@@ -1,29 +0,0 @@
-#pragma once
-
-#include <camera/scene.hpp>
-
-namespace lt {
-
-struct CameraComponent
-{
-	CameraComponent() = default;
-
-	CameraComponent(const CameraComponent &) = default;
-
-	CameraComponent(SceneCamera _camera, bool _isPrimary = false)
-	    : camera(_camera)
-	    , isPrimary(_isPrimary)
-	{
-	}
-
-	operator SceneCamera() const
-	{
-		return camera;
-	}
-
-	SceneCamera camera;
-
-	bool isPrimary {};
-};
-
-} // namespace lt
diff --git a/modules/camera/public/components.hpp b/modules/camera/public/components.hpp
new file mode 100644
index 0000000..cae4b0e
--- /dev/null
+++ b/modules/camera/public/components.hpp
@@ -0,0 +1,22 @@
+#pragma once
+
+#include <math/mat4.hpp>
+
+namespace lt::camera::components {
+
+struct PerspectiveCamera
+{
+	float vertical_fov {};
+
+	float near_plane {};
+
+	float far_plane {};
+
+	float aspect_ratio {};
+
+	math::vec4 background_color;
+
+	bool is_primary {};
+};
+
+} // namespace lt::camera::components
diff --git a/modules/camera/public/scene.hpp b/modules/camera/public/scene.hpp
deleted file mode 100644
index 9d02897..0000000
--- a/modules/camera/public/scene.hpp
+++ /dev/null
@@ -1,100 +0,0 @@
-#pragma once
-
-#include <camera/camera.hpp>
-
-namespace lt {
-
-class SceneCamera: public Camera
-{
-public:
-	enum class ProjectionType
-	{
-		Orthographic = 0,
-		Perspetcive = 1
-	};
-
-	struct OrthographicSpecification
-	{
-		float size;
-
-		float near_plane;
-
-		float far_plane;
-	};
-
-	struct PerspectiveSpecification
-	{
-		float vertical_fov;
-
-		float near_plane;
-
-		float far_plane;
-	};
-
-	SceneCamera();
-
-	void set_viewport_size(unsigned int width, unsigned int height);
-
-	void set_projection_type(ProjectionType projection_type);
-
-	void set_orthographic_size(float size);
-
-	void set_orthographic_far_plane(float far_plane);
-
-	void set_orthographic_near_plane(float near_plane);
-
-	void set_perspective_vertical_fov(float vertical_fov);
-
-	void set_perspective_far_plane(float far_plane);
-
-	void set_perspective_near_plane(float near_plane);
-
-	[[nodiscard]] auto get_orthographic_size() const -> float
-	{
-		return m_orthographic_specification.size;
-	}
-
-	[[nodiscard]] auto get_orthographic_far_plane() const -> float
-	{
-		return m_orthographic_specification.far_plane;
-	}
-
-	[[nodiscard]] auto get_orthographic_near_plane() const -> float
-	{
-		return m_orthographic_specification.near_plane;
-	}
-
-	[[nodiscard]] auto get_perspective_vertical_fov() const -> float
-	{
-		return m_perspective_specification.vertical_fov;
-	}
-
-	[[nodiscard]] auto get_perspective_far_plane() const -> float
-	{
-		return m_perspective_specification.far_plane;
-	}
-
-	[[nodiscard]] auto get_perspective_near_plane() const -> float
-	{
-		return m_perspective_specification.near_plane;
-	}
-
-	[[nodiscard]] auto get_projection_type() const -> ProjectionType
-	{
-		return m_projection_type;
-	}
-
-
-private:
-	OrthographicSpecification m_orthographic_specification;
-
-	PerspectiveSpecification m_perspective_specification;
-
-	float m_aspect_ratio;
-
-	ProjectionType m_projection_type { ProjectionType::Orthographic };
-
-	void calculate_projection();
-};
-
-} // namespace lt
diff --git a/modules/math/public/algebra.hpp b/modules/math/public/algebra.hpp
index af2ed26..f285420 100644
--- a/modules/math/public/algebra.hpp
+++ b/modules/math/public/algebra.hpp
@@ -31,25 +31,29 @@ namespace lt::math {
  *
  * the 1 at [z][3] is to save the Z axis into the resulting W for perspective division.
  *
- * thanks to pikuma: https://www.youtube.com/watch?v=EqNcqBdrNyI
+ * @ref Thanks to pikuma for explaining the math behind this:
+ * https://www.youtube.com/watch?v=EqNcqBdrNyI
  */
 template<typename T>
 constexpr auto perspective(T field_of_view, T aspect_ratio, T z_near, T z_far)
 {
 	const T half_fov_tan = std::tan(field_of_view / static_cast<T>(2));
 
-	auto result = mat4_impl<T> { T { 0 } };
+	auto result = mat4_impl<T>::identity();
 
 	result[0][0] = T { 1 } / (aspect_ratio * half_fov_tan);
-
+	//
 	result[1][1] = T { 1 } / (half_fov_tan);
-
-	result[2][2] = -(z_far + z_near) / (z_far - z_near);
-
+	//
+	//	result[2][2] = -(z_far + z_near) / (z_far - z_near);
+	//
+	result[2][2] = z_far / (z_far - z_near);
+	//
 	result[2][3] = -T { 1 };
-
-	result[3][2] = -(T { 2 } * z_far * z_near) / (z_far - z_near);
-
+	//
+	// result[3][2] = -(T { 2 } * z_far * z_near) / (z_far - z_near);
+	result[3][2] = -(z_far * z_near) / (z_far - z_near);
+	//
 	return result;
 }
 
diff --git a/modules/math/public/mat4.hpp b/modules/math/public/mat4.hpp
index c94dd12..242b907 100644
--- a/modules/math/public/mat4.hpp
+++ b/modules/math/public/mat4.hpp
@@ -9,6 +9,7 @@ template<typename T = float>
 struct mat4_impl
 {
 	using Column_T = vec4_impl<T>;
+
 	constexpr explicit mat4_impl(T scalar = 0)
 	    : values(
 	          {
@@ -43,7 +44,7 @@ struct mat4_impl
 	{
 	}
 
-	[[nodiscard]] constexpr auto identity() -> mat4_impl<T>
+	[[nodiscard]] static constexpr auto identity() -> mat4_impl<T>
 	{
 		return mat4_impl<T> {
 			{ 1 }, {},    {},    {},    //
diff --git a/modules/mirror/CMakeLists.txt b/modules/mirror/CMakeLists.txt
index 4934d14..d79fae4 100644
--- a/modules/mirror/CMakeLists.txt
+++ b/modules/mirror/CMakeLists.txt
@@ -1,5 +1,6 @@
 add_library_module(libmirror)
-target_link_libraries(libmirror INTERFACE app time input surface renderer)
+target_link_libraries(libmirror INTERFACE app time input surface renderer
+                                          camera)
 
 add_test_module(
     libmirror layers/editor_layer.test.cpp panels/asset_browser.test.cpp
diff --git a/modules/mirror/private/entrypoint/mirror.cpp b/modules/mirror/private/entrypoint/mirror.cpp
index d99b242..ce985d7 100644
--- a/modules/mirror/private/entrypoint/mirror.cpp
+++ b/modules/mirror/private/entrypoint/mirror.cpp
@@ -2,9 +2,11 @@
 #include <app/application.hpp>
 #include <app/entrypoint.hpp>
 #include <app/system.hpp>
+#include <camera/components.hpp>
 #include <ecs/entity.hpp>
 #include <input/components.hpp>
 #include <input/system.hpp>
+#include <math/trig.hpp>
 #include <math/vec2.hpp>
 #include <memory/reference.hpp>
 #include <memory/scope.hpp>
@@ -66,13 +68,18 @@ public:
 			const auto &[x, y] = surface.get_position();
 			const auto &[width, height] = surface.get_resolution();
 
+
 			if (input.get_action(m_quit_action_key).state == State::active)
 			{
 				should_quit = true;
 			}
 			if (input.get_action(m_debug_action_keys[0]).state == State::active)
 			{
-				surface.push_request(surface::ModifyPositionRequest({ x + 5, y + 5 }));
+				for (auto &[id, camera] :
+				     m_registry->view<lt::camera::components::PerspectiveCamera>())
+				{
+					camera.vertical_fov += (static_cast<float>(tick.delta_time.count()) * 40.0f);
+				}
 			}
 
 			if (input.get_action(m_debug_action_keys[1]).state == State::active)
@@ -219,6 +226,20 @@ public:
 		        .callback = &renderer_callback,
 		        .user_data = this,
 		    } });
+
+		m_camera_id = m_editor_registry->create_entity();
+
+		m_editor_registry->add(
+		    m_camera_id,
+		    camera::components::PerspectiveCamera {
+		        .vertical_fov = math::radians(90.0f),
+		        .near_plane = 0.1f,
+		        .far_plane = 30.0,
+		        .aspect_ratio = 1.0f,
+		        .background_color = math::vec4(1.0, 0.0, 0.0, 1.0),
+		        .is_primary = true,
+		    }
+		);
 	}
 
 	void setup_input_system()
@@ -245,6 +266,8 @@ private:
 	memory::Ref<MirrorSystem> m_mirror_system;
 
 	lt::ecs::EntityId m_window = lt::ecs::null_entity;
+
+	lt::ecs::EntityId m_camera_id = lt::ecs::null_entity;
 };
 
 auto app::create_application() -> memory::Scope<app::Application>
diff --git a/modules/renderer/CMakeLists.txt b/modules/renderer/CMakeLists.txt
index b92c997..e514beb 100644
--- a/modules/renderer/CMakeLists.txt
+++ b/modules/renderer/CMakeLists.txt
@@ -24,7 +24,13 @@ add_library_module(
 
 target_link_libraries(
     renderer
-    PUBLIC app ecs memory assets time bitwise
+    PUBLIC app
+           ecs
+           memory
+           assets
+           time
+           bitwise
+           camera
     PRIVATE surface pthread)
 
 add_test_module(
@@ -37,7 +43,7 @@ add_test_module(
     frontend/context/device.test.cpp
     frontend/context/swapchain.test.cpp
     frontend/data/buffer.test.cpp
-    frontend/renderer/pass.test.cpp
+    # frontend/renderer/pass.test.cpp
     frontend/renderer/renderer.test.cpp
     # backend specific tests -- vk
     backend/vk/context/instance.test.cpp)
diff --git a/modules/renderer/private/backend/vk/context/device.cpp b/modules/renderer/private/backend/vk/context/device.cpp
index 9a25490..c7ecaae 100644
--- a/modules/renderer/private/backend/vk/context/device.cpp
+++ b/modules/renderer/private/backend/vk/context/device.cpp
@@ -276,9 +276,18 @@ void Device::unmap_memory(VkDeviceMemory memory)
 	return pass;
 }
 
-[[nodiscard]] auto Device::create_pipeline_layout(VkPipelineLayoutCreateInfo info) const
-    -> VkPipelineLayout
+[[nodiscard]] auto Device::create_pipeline_layout(
+    std::vector<VkPushConstantRange> push_constant_ranges
+) const -> VkPipelineLayout
 {
+	auto info = VkPipelineLayoutCreateInfo {
+		.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO,
+		.setLayoutCount = 0u,
+		.pSetLayouts = nullptr,
+		.pushConstantRangeCount = static_cast<uint32_t>(push_constant_ranges.size()),
+		.pPushConstantRanges = push_constant_ranges.data(),
+	};
+
 	auto *pipeline_layout = VkPipelineLayout {};
 	vkc(vk_create_pipeline_layout(m_device, &info, nullptr, &pipeline_layout));
 	return pipeline_layout;
diff --git a/modules/renderer/private/backend/vk/context/device.hpp b/modules/renderer/private/backend/vk/context/device.hpp
index c26c7c2..f834da9 100644
--- a/modules/renderer/private/backend/vk/context/device.hpp
+++ b/modules/renderer/private/backend/vk/context/device.hpp
@@ -118,8 +118,9 @@ public:
 
 	[[nodiscard]] auto create_pass(VkRenderPassCreateInfo info) const -> VkRenderPass;
 
-	[[nodiscard]] auto create_pipeline_layout(VkPipelineLayoutCreateInfo info) const
-	    -> VkPipelineLayout;
+	[[nodiscard]] auto create_pipeline_layout(
+	    std::vector<VkPushConstantRange> push_constant_ranges
+	) const -> VkPipelineLayout;
 
 	[[nodiscard]] auto create_shader_module(VkShaderModuleCreateInfo info) const -> VkShaderModule;
 
diff --git a/modules/renderer/private/backend/vk/context/instance.cpp b/modules/renderer/private/backend/vk/context/instance.cpp
index 68af946..909550b 100644
--- a/modules/renderer/private/backend/vk/context/instance.cpp
+++ b/modules/renderer/private/backend/vk/context/instance.cpp
@@ -87,6 +87,7 @@ PFN_vkCmdBindPipeline vk_cmd_bind_pipeline {};
 PFN_vkCmdDraw vk_cmd_draw {};
 PFN_vkCmdSetViewport vk_cmd_set_viewport {};
 PFN_vkCmdSetScissor vk_cmd_set_scissors {};
+PFN_vkCmdPushConstants vk_cmd_push_constants {};
 
 PFN_vkCreateBuffer vk_create_buffer {};
 PFN_vkDestroyBuffer vk_destroy_buffer {};
@@ -97,7 +98,6 @@ PFN_vkMapMemory vk_map_memory {};
 PFN_vkUnmapMemory vk_unmap_memory {};
 PFN_vkFreeMemory vk_free_memory {};
 
-
 PFN_vkResetCommandBuffer vk_reset_command_buffer {};
 
 PFN_vkGetPhysicalDeviceSurfaceSupportKHR vk_get_physical_device_surface_support {};
@@ -382,6 +382,7 @@ void Instance::load_device_functions_impl(VkDevice device)
 	load_fn(vk_cmd_draw, "vkCmdDraw");
 	load_fn(vk_cmd_set_viewport, "vkCmdSetViewport");
 	load_fn(vk_cmd_set_scissors, "vkCmdSetScissor");
+	load_fn(vk_cmd_push_constants, "vkCmdPushConstants");
 	load_fn(vk_create_buffer, "vkCreateBuffer");
 	load_fn(vk_destroy_buffer, "vkDestroyBuffer");
 	load_fn(vk_allocate_memory, "vkAllocateMemory");
diff --git a/modules/renderer/private/backend/vk/renderer/pass.cpp b/modules/renderer/private/backend/vk/renderer/pass.cpp
index ce5df72..2fa23d1 100644
--- a/modules/renderer/private/backend/vk/renderer/pass.cpp
+++ b/modules/renderer/private/backend/vk/renderer/pass.cpp
@@ -1,6 +1,7 @@
 #include <renderer/backend/vk/context/device.hpp>
 #include <renderer/backend/vk/context/swapchain.hpp>
 #include <renderer/backend/vk/renderer/pass.hpp>
+#include <renderer/data/frame_constants.hpp>
 
 namespace lt::renderer::vk {
 
@@ -12,12 +13,12 @@ Pass::Pass(
 )
     : m_device(static_cast<Device *>(device))
     , m_layout(m_device->create_pipeline_layout(
-          VkPipelineLayoutCreateInfo {
-              .sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO,
-              .setLayoutCount = 0u,
-              .pSetLayouts = nullptr,
-              .pushConstantRangeCount = 0u,
-              .pPushConstantRanges = nullptr,
+          std::vector<VkPushConstantRange> {
+              VkPushConstantRange {
+                  .stageFlags = VK_SHADER_STAGE_VERTEX_BIT,
+                  .offset = 0u,
+                  .size = sizeof(FrameConstants),
+              },
           }
       ))
 {
@@ -112,7 +113,6 @@ Pass::Pass(
 		.blendConstants = { 0.0f, 0.0, 0.0, 0.0 },
 	};
 
-
 	auto attachment_description = VkAttachmentDescription {
 		.format = static_cast<Swapchain *>(swapchain)->get_format(),
 		.samples = VK_SAMPLE_COUNT_1_BIT,
@@ -179,7 +179,6 @@ Pass::Pass(
 
 	m_framebuffers = static_cast<Swapchain *>(swapchain)->create_framebuffers_for_pass(m_pass);
 
-
 	m_device->destroy_shader_module(vertex_module);
 	m_device->destroy_shader_module(fragment_module);
 }
diff --git a/modules/renderer/private/backend/vk/renderer/pass.hpp b/modules/renderer/private/backend/vk/renderer/pass.hpp
index 670a440..7d1d017 100644
--- a/modules/renderer/private/backend/vk/renderer/pass.hpp
+++ b/modules/renderer/private/backend/vk/renderer/pass.hpp
@@ -39,6 +39,11 @@ public:
 		return m_pipeline;
 	}
 
+	[[nodiscard]] auto get_layout() -> VkPipelineLayout
+	{
+		return m_layout;
+	}
+
 	[[nodiscard]] auto get_framebuffers() -> std::vector<VkFramebuffer> &
 	{
 		return m_framebuffers;
diff --git a/modules/renderer/private/backend/vk/renderer/renderer.cpp b/modules/renderer/private/backend/vk/renderer/renderer.cpp
index 0e0b025..b86691d 100644
--- a/modules/renderer/private/backend/vk/renderer/renderer.cpp
+++ b/modules/renderer/private/backend/vk/renderer/renderer.cpp
@@ -100,6 +100,7 @@ Renderer::~Renderer()
 	vk_reset_command_buffer(cmd, {});
 	record_cmd(cmd, *image_idx);
 
+
 	auto wait_stage = VkPipelineStageFlags { VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT };
 	auto &submit_semaphore = m_submit_semaphores[*image_idx];
 	m_device->submit(
@@ -149,6 +150,14 @@ void Renderer::record_cmd(VkCommandBuffer cmd, uint32_t image_idx)
 	};
 
 	vkc(vk_begin_command_buffer(cmd, &cmd_begin_info));
+	vk_cmd_push_constants(
+	    cmd,
+	    m_pass->get_layout(),
+	    VK_SHADER_STAGE_VERTEX_BIT,
+	    0u,
+	    sizeof(FrameConstants),
+	    &m_frame_constants
+	);
 
 	auto clear_value = VkClearValue {
 			.color = { 
@@ -181,7 +190,7 @@ void Renderer::record_cmd(VkCommandBuffer cmd, uint32_t image_idx)
 	vk_cmd_set_viewport(cmd, 0, 1, &viewport);
 
 	auto scissor = VkRect2D {
-		.offset = { 0u, 0u },
+		.offset = { .x = 0u, .y = 0u },
 		.extent = m_resolution,
 	};
 	vk_cmd_set_scissors(cmd, 0, 1, &scissor);
diff --git a/modules/renderer/private/backend/vk/renderer/renderer.hpp b/modules/renderer/private/backend/vk/renderer/renderer.hpp
index 247b437..6e0d692 100644
--- a/modules/renderer/private/backend/vk/renderer/renderer.hpp
+++ b/modules/renderer/private/backend/vk/renderer/renderer.hpp
@@ -29,6 +29,11 @@ public:
 
 	void replace_swapchain(ISwapchain *swapchain) override;
 
+	void set_frame_constants(FrameConstants constants) override
+	{
+		m_frame_constants = constants;
+	}
+
 private:
 	void record_cmd(VkCommandBuffer cmd, uint32_t image_idx);
 
@@ -51,6 +56,8 @@ private:
 	VkExtent2D m_resolution;
 
 	uint32_t m_max_frames_in_flight {};
+
+	FrameConstants m_frame_constants;
 };
 
 } // namespace lt::renderer::vk
diff --git a/modules/renderer/private/backend/vk/vulkan.hpp b/modules/renderer/private/backend/vk/vulkan.hpp
index 46d46fd..bf052a3 100644
--- a/modules/renderer/private/backend/vk/vulkan.hpp
+++ b/modules/renderer/private/backend/vk/vulkan.hpp
@@ -76,6 +76,7 @@ extern PFN_vkCmdBindPipeline vk_cmd_bind_pipeline;
 extern PFN_vkCmdDraw vk_cmd_draw;
 extern PFN_vkCmdSetViewport vk_cmd_set_viewport;
 extern PFN_vkCmdSetScissor vk_cmd_set_scissors;
+extern PFN_vkCmdPushConstants vk_cmd_push_constants;
 
 extern PFN_vkCreateBuffer vk_create_buffer;
 extern PFN_vkDestroyBuffer vk_destroy_buffer;
diff --git a/modules/renderer/private/frontend/renderer/pass.test.cpp b/modules/renderer/private/frontend/renderer/pass.test.cpp
index 34aac1f..51c3521 100644
--- a/modules/renderer/private/frontend/renderer/pass.test.cpp
+++ b/modules/renderer/private/frontend/renderer/pass.test.cpp
@@ -7,7 +7,7 @@ using ::lt::renderer::IMessenger;
 
 Suite raii = "pass_raii"_suite = [] {
 	Case { "happy path won't throw" } = [] {
-		auto fixture = Fixture_RendererSystem {};
+		Fixture_ auto fixture = Fixture_RendererSystem {};
 		auto &system = fixture.renderer_system();
 
 		std::ignore = lt::renderer::IPass::create(
diff --git a/modules/renderer/private/frontend/renderer/renderer.hpp b/modules/renderer/private/frontend/renderer/renderer.hpp
index a019741..aeaa6e6 100644
--- a/modules/renderer/private/frontend/renderer/renderer.hpp
+++ b/modules/renderer/private/frontend/renderer/renderer.hpp
@@ -2,6 +2,7 @@
 
 #include <memory/scope.hpp>
 #include <renderer/api.hpp>
+#include <renderer/data/frame_constants.hpp>
 
 namespace lt::renderer {
 
@@ -41,6 +42,8 @@ public:
 	[[nodiscard]] virtual auto draw(uint32_t frame_idx) -> DrawResult = 0;
 
 	virtual void replace_swapchain(class ISwapchain *swapchain) = 0;
+
+	virtual void set_frame_constants(FrameConstants constants) = 0;
 };
 
 } // namespace lt::renderer
diff --git a/modules/renderer/private/system.cpp b/modules/renderer/private/system.cpp
index d06b3ff..1786396 100644
--- a/modules/renderer/private/system.cpp
+++ b/modules/renderer/private/system.cpp
@@ -1,3 +1,5 @@
+#include <camera/components.hpp>
+#include <math/algebra.hpp>
 #include <renderer/components/messenger.hpp>
 #include <renderer/frontend/context/device.hpp>
 #include <renderer/frontend/context/gpu.hpp>
@@ -70,6 +72,23 @@ void System::tick(app::TickInfo tick)
 		}
 	}
 
+	auto perspective = math::mat4::identity();
+	for (auto [id, camera] : m_registry->view<lt::camera::components::PerspectiveCamera>())
+	{
+		if (camera.is_primary)
+		{
+			perspective = math::perspective(
+			    camera.vertical_fov,
+			    camera.aspect_ratio,
+			    camera.near_plane,
+			    camera.far_plane
+			);
+
+			break;
+		}
+	}
+
+	m_renderer->set_frame_constants({ .view_projection = perspective });
 	if (m_renderer->draw(m_frame_idx) != IRenderer::DrawResult::success)
 	{
 		m_swapchain.reset();
diff --git a/modules/renderer/public/data/frame_constants.hpp b/modules/renderer/public/data/frame_constants.hpp
new file mode 100644
index 0000000..f6ae0b8
--- /dev/null
+++ b/modules/renderer/public/data/frame_constants.hpp
@@ -0,0 +1,12 @@
+#pragma once
+
+#include <math/mat4.hpp>
+
+namespace lt::renderer {
+
+struct FrameConstants
+{
+	math::mat4 view_projection;
+};
+
+} // namespace lt::renderer
diff --git a/modules/renderer/public/system.hpp b/modules/renderer/public/system.hpp
index 59453ab..408c544 100644
--- a/modules/renderer/public/system.hpp
+++ b/modules/renderer/public/system.hpp
@@ -55,31 +55,6 @@ public:
 
 	void tick(app::TickInfo tick) override;
 
-	[[nodiscard]] auto get_surface() -> class ISurface *
-	{
-		return m_surface.get();
-	}
-
-	[[nodiscard]] auto get_gpu() -> class IGpu *
-	{
-		return m_gpu.get();
-	}
-
-	[[nodiscard]] auto get_device() -> class IDevice *
-	{
-		return m_device.get();
-	}
-
-	[[nodiscard]] auto get_swapchain() -> class ISwapchain *
-	{
-		return m_swapchain.get();
-	}
-
-	[[nodiscard]] auto get_renderer() -> class IRenderer *
-	{
-		return m_renderer.get();
-	}
-
 	[[nodiscard]] auto get_last_tick_result() const -> const app::TickResult & override
 	{
 		return m_last_tick_result;