diff options
Diffstat (limited to 'src/physics')
| -rw-r--r-- | src/physics/physics.cpp | 72 | ||||
| -rw-r--r-- | src/physics/physics.h | 12 |
2 files changed, 44 insertions, 40 deletions
diff --git a/src/physics/physics.cpp b/src/physics/physics.cpp index 111c25a..31b2cc7 100644 --- a/src/physics/physics.cpp +++ b/src/physics/physics.cpp @@ -4,19 +4,19 @@ #include <iostream> #include "physics.h" -bool sphereCube(RenderShapeData &sphere, RenderShapeData &cube) +bool sphereCube(RenderShapeData *sphere, RenderShapeData *cube) { // get center of cube - glm::vec4 cubeCenter = cube.translation4d; + glm::vec4 cubeCenter = cube->translation4d; // get the width, height, depth, & yawl of cube's box - glm::vec4 cubeScales = glm::vec4(cube.ctm[0][0], cube.ctm[1][1], cube.ctm[2][2], cube.ctm[3][3]); + glm::vec4 cubeScales = glm::vec4(cube->ctm[0][0], cube->ctm[1][1], cube->ctm[2][2], cube->ctm[3][3]); // note: assumption that cube is axis aligned glm::vec4 maxes = cubeCenter + cubeScales / 2.f; glm::vec4 mins = cubeCenter - cubeScales / 2.f; // get the center of sphere - glm::vec4 sphereCenter = sphere.translation4d; + glm::vec4 sphereCenter = sphere->translation4d; // get radius of sphere // note: assumption that sphere is not scaled (TODO: make radius adaptive) float radius = .5f; @@ -35,26 +35,26 @@ bool sphereCube(RenderShapeData &sphere, RenderShapeData &cube) if (distSquared > 0) { std::cout << "distanceSquared: " << distSquared << std::endl; - // update velocity of the objects, based on math, assuming the objects are the same mass - sphere.velocity *= -1.f; - cube.velocity *= -1.f; + // update velocity of the objects + sphere->velocity *= -1.f; + cube->velocity *= -1.f; // move the objects in new dir so they don't collide again - sphere.translation4d += sphere.velocity; - cube.translation4d += cube.velocity; + sphere->translation4d += sphere->velocity * (1.1f); + cube->translation4d += cube->velocity * (1.1f); } return distSquared > 0; } -bool cubeCube(RenderShapeData &c1, RenderShapeData &c2) { +bool cubeCube(RenderShapeData *c1, RenderShapeData *c2) { // get the width, height, depth, & yawl of cubes boxes - glm::vec4 cube1Scales = glm::vec4(c1.ctm[0][0], c1.ctm[1][1], c1.ctm[2][2], c1.ctm[3][3]); - glm::vec4 cube2Scales = glm::vec4(c2.ctm[0][0], c2.ctm[1][1], c2.ctm[2][2], c2.ctm[3][3]); + glm::vec4 cube1Scales = glm::vec4(c1->ctm[0][0], c1->ctm[1][1], c1->ctm[2][2], c1->ctm[3][3]); + glm::vec4 cube2Scales = glm::vec4(c2->ctm[0][0], c2->ctm[1][1], c2->ctm[2][2], c2->ctm[3][3]); // get the center of cubes - glm::vec4 cube1Center = c1.translation4d; - glm::vec4 cube2Center = c2.translation4d; + glm::vec4 cube1Center = c1->translation4d; + glm::vec4 cube2Center = c2->translation4d; // note: assumption that cube is axis aligned glm::vec4 cube1Maxes = cube1Center + cube1Scales / 2.f; @@ -77,21 +77,21 @@ bool cubeCube(RenderShapeData &c1, RenderShapeData &c2) { std::cout << "intersect: " << intersect << std::endl; // update velocity of the objects, based on math, assuming the objects are the same mass - c1.velocity *= -1.f; - c1.velocity *= -1.f; + c1->velocity *= -1.f; + c2->velocity *= -1.f; // move the objects in new dir so they don't collide again - c1.translation4d += c2.velocity; - c1.translation4d += c2.velocity; + c1->translation4d += c1->velocity * (1.1f); + c2->translation4d += c2->velocity * (1.1f); } return intersect; } -bool sphereSphere(RenderShapeData &s1, RenderShapeData &s2) +bool sphereSphere(RenderShapeData *s1, RenderShapeData *s2) { - glm::vec4 currentCenter = s1.translation4d; - glm::vec4 shapeCenter = s2.translation4d; + glm::vec4 currentCenter = s1->translation4d; + glm::vec4 shapeCenter = s2->translation4d; // define a radius vector float radius = .5; float distance = glm::distance(currentCenter, shapeCenter); @@ -102,20 +102,24 @@ bool sphereSphere(RenderShapeData &s1, RenderShapeData &s2) if (distance <= radius + radius) { std::cout << "distance: " << distance << std::endl; - s1.velocity *= -1.f; - s2.velocity *= -1.f; + s1->velocity *= -1.f; + s2->velocity *= -1.f; + + // print the new velocity + std::cout << "s1 velocity: " << s1->velocity.x << ", " << s1->velocity.y << ", " << s1->velocity.z << ", " << s1->velocity.w << std::endl; + std::cout << "s2 velocity: " << s2->velocity.x << ", " << s2->velocity.y << ", " << s2->velocity.z << ", " << s2->velocity.w << std::endl; // move the objects in new dir so they don't collide again - s1.translation4d += s1.velocity; - s2.translation4d += s2.velocity; + s1->translation4d += s1->velocity * (1.1f); + s2->translation4d += s2->velocity * (1.1f); } return distance <= radius + radius; } -bool Physics::checkForSphereCollision(RenderShapeData ¤tShape, RenderShapeData &otherShape) +bool Physics::checkForSphereCollision(RenderShapeData *currentShape, RenderShapeData *otherShape) { - switch (otherShape.primitive.type) + switch (otherShape->primitive.type) { case PrimitiveType::PRIMITIVE_CUBE: return sphereCube(currentShape, otherShape); @@ -128,19 +132,19 @@ bool Physics::checkForSphereCollision(RenderShapeData ¤tShape, RenderShape return false; } -bool Physics::checkForConeCollision(RenderShapeData ¤tShape, RenderShapeData &shape) +bool Physics::checkForConeCollision(RenderShapeData *currentShape, RenderShapeData *otherShape) { return false; } -bool Physics::checkForCylinderCollision(RenderShapeData ¤tShape, RenderShapeData &shape) +bool Physics::checkForCylinderCollision(RenderShapeData *currentShape, RenderShapeData *otherShape) { return false; } -bool Physics::checkForCubeCollision(RenderShapeData ¤tShape, RenderShapeData &otherShape) +bool Physics::checkForCubeCollision(RenderShapeData *currentShape, RenderShapeData *otherShape) { - switch (otherShape.primitive.type) + switch (otherShape->primitive.type) { case PrimitiveType::PRIMITIVE_CUBE: return cubeCube(currentShape, otherShape); @@ -154,12 +158,12 @@ bool Physics::checkForCubeCollision(RenderShapeData ¤tShape, RenderShapeDa void Physics::handleCollisions(std::vector<RenderShapeData> &shapes) { for (int i = 0; i < shapes.size(); i++) { - auto shape = shapes[i]; + auto shape = &shapes[i]; for (int j = i + 1; j < shapes.size(); j++) { - auto otherShape = shapes[j]; - switch (shape.primitive.type) + auto otherShape = &shapes[j]; + switch (shape->primitive.type) { case PrimitiveType::PRIMITIVE_CONE: checkForConeCollision(shape, otherShape); diff --git a/src/physics/physics.h b/src/physics/physics.h index 6410d74..6aad980 100644 --- a/src/physics/physics.h +++ b/src/physics/physics.h @@ -10,17 +10,17 @@ class Physics { public: - static bool checkForSphereCollision(RenderShapeData ¤tShape, RenderShapeData &shape); + static void updateShapePositions(std::vector<RenderShapeData> &shapes); - static bool checkForConeCollision(RenderShapeData ¤tShape, RenderShapeData &shape); + static void handleCollisions(std::vector<RenderShapeData> &shapes); - static bool checkForCylinderCollision(RenderShapeData ¤tShape, RenderShapeData &shape); + static bool checkForSphereCollision(RenderShapeData *currentShape, RenderShapeData *otherShape); - static bool checkForCubeCollision(RenderShapeData ¤tShape, RenderShapeData &shape); + static bool checkForConeCollision(RenderShapeData *currentShape, RenderShapeData *otherShape); - static void updateShapePositions(std::vector<RenderShapeData> &shapes); + static bool checkForCylinderCollision(RenderShapeData *currentShape, RenderShapeData *otherShape); - static void handleCollisions(std::vector<RenderShapeData> &shapes); + static bool checkForCubeCollision(RenderShapeData *currentShape, RenderShapeData *otherShape); }; #endif //PROJECTS_RAY_PHYSICS_H |