-
Notifications
You must be signed in to change notification settings - Fork 34
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
1 parent
1bce7c5
commit dac8150
Showing
5 changed files
with
239 additions
and
0 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,113 @@ | ||
| #pragma once | ||
|
|
||
| #include <glm/gtc/matrix_transform.hpp> | ||
| #include <glm/gtx/rotate_vector.hpp> | ||
|
|
||
| #include <cubos/engine/gizmos/gizmos.hpp> | ||
|
|
||
| #include "../renderer.hpp" | ||
|
|
||
| namespace cubos::engine | ||
| { | ||
| /// @brief A gizmo that is a ring. | ||
| class RingGizmo : public Gizmos::Gizmo | ||
| { | ||
| glm::vec3 mPointA; | ||
| glm::vec3 mPointB; | ||
| float mRadiusOuter; | ||
| float mRadiusInner; | ||
|
|
||
| public: | ||
| /// @brief Constructs. | ||
| /// @param id Identifier of the gizmo. | ||
| /// @param firstBasePosition Center of one of the bases. | ||
| /// @param secondBasePosition Center of the second base. | ||
| /// @param outerRadius Radius of one of the ring. | ||
| /// @param innerRadius Radius of the of the hole. | ||
| /// @param color Color for the gizmo to be drawn in. | ||
| /// @param lifespan Time the gizmo will remain on screen, in seconds. | ||
| RingGizmo(uint32_t id, glm::vec3 firstBasePosition, glm::vec3 secondBasePosition, float outerRadius, | ||
| float innerRadius, const glm::vec3& color, float lifespan) | ||
| : Gizmos::Gizmo(id, color, lifespan) | ||
| , mPointA(firstBasePosition) | ||
| , mPointB(secondBasePosition) | ||
| , mRadiusOuter(outerRadius) | ||
| , mRadiusInner(innerRadius) | ||
| { | ||
| } | ||
|
|
||
| /// @brief Draws the gizmo to screen. | ||
| /// @param renderer GizmosRenderer in use. | ||
| /// @param phase Current draw phase. | ||
| /// @param mvp Matrix containing projection and viewpoint transformations. | ||
| void draw(GizmosRenderer& renderer, DrawPhase phase, | ||
| const glm::mat<4, 4, float, glm::packed_highp>& mvp) override | ||
| { | ||
| auto* verts = static_cast<glm::vec3*>(renderer.ringPrimitive.vb->map()); | ||
|
|
||
| glm::vec3 n = glm::normalize(mPointB - mPointA); | ||
| glm::vec3 p; | ||
| if (n[0] != n[1]) | ||
| { | ||
| p = {n[1], -n[0], n[2]}; | ||
| } | ||
| else if (n[0] != n[2]) | ||
| { | ||
| p = {-n[2], n[1], n[0]}; | ||
| } | ||
| else | ||
| { | ||
| p = {n[0], -n[2], n[1]}; | ||
| } | ||
|
|
||
| glm::vec3 pA = p * mRadiusOuter; | ||
| glm::vec3 pB = p * mRadiusInner; | ||
|
|
||
| for (std::size_t i = 0; i < GizmosRenderer::RingSections; i++) | ||
| { | ||
| glm::vec3 vertOuter = | ||
| glm::rotate(pA, (float)i * glm::radians(360.0F / (float)GizmosRenderer::RingSections), n) + mPointA; | ||
| glm::vec3 vertInner = | ||
| glm::rotate(pB, (float)i * glm::radians(360.0F / (float)GizmosRenderer::RingSections), n) + mPointA; | ||
| verts[2 * i] = {vertOuter[0], vertOuter[1], vertOuter[2]}; | ||
| verts[(2 * i) + 1] = {vertInner[0], vertInner[1], vertInner[2]}; | ||
| } | ||
|
|
||
| for (std::size_t i = 0; i < GizmosRenderer::RingSections; i++) | ||
| { | ||
| glm::vec3 vertOuter = | ||
| glm::rotate(pA, (float)i * glm::radians(360.0F / (float)GizmosRenderer::RingSections), n) + mPointB; | ||
| glm::vec3 vertInner = | ||
| glm::rotate(pB, (float)i * glm::radians(360.0F / (float)GizmosRenderer::RingSections), n) + mPointB; | ||
| verts[(std::size_t)GizmosRenderer::RingSections * 2 + 2 * i] = {vertOuter[0], vertOuter[1], | ||
| vertOuter[2]}; | ||
| verts[(std::size_t)GizmosRenderer::RingSections * 2 + (2 * i) + 1] = {vertInner[0], vertInner[1], | ||
| vertInner[2]}; | ||
| } | ||
|
|
||
| renderer.ringPrimitive.vb->unmap(); | ||
|
|
||
| renderer.renderDevice->setVertexArray(renderer.ringPrimitive.va); | ||
| renderer.renderDevice->setIndexBuffer(renderer.ringPrimitive.ib); | ||
|
|
||
| auto mvpBuffer = | ||
| renderer.renderDevice->createConstantBuffer(sizeof(glm::mat4), &mvp, cubos::core::gl::Usage::Static); | ||
|
|
||
| if (phase == DrawPhase::Color) | ||
| { | ||
| renderer.drawPipeline->getBindingPoint("MVP")->bind(mvpBuffer); | ||
|
|
||
| renderer.drawPipeline->getBindingPoint("objColor")->setConstant(mColor); | ||
| } | ||
| else | ||
| { | ||
| renderer.idPipeline->getBindingPoint("MVP")->bind(mvpBuffer); | ||
| } | ||
|
|
||
| renderer.renderDevice->setRasterState( | ||
| renderer.renderDevice->createRasterState(cubos::core::gl::RasterStateDesc{})); | ||
| renderer.renderDevice->drawTrianglesIndexed(0, | ||
| 24 * (std::size_t)cubos::engine::GizmosRenderer::RingSections); | ||
| } | ||
| }; | ||
| } // namespace cubos::engine |